diff --git a/CHANGELOG.md b/CHANGELOG.md
index e9ca66c9..d6e755a9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## 3.4
+
+- Full Bootstrap 4 integration of CSS + sources SASS/SCSS
+
 ## 3.3.4
 
 - Fix Object.assign not working for IE <= 11 [#616](https://github.com/Bttstrp/bootstrap-switch/issues/616)
diff --git a/README.md b/README.md
index f0bf364d..d9e44653 100644
--- a/README.md
+++ b/README.md
@@ -4,6 +4,9 @@
 [![NPM Version](http://img.shields.io/npm/v/bootstrap-switch.svg?style=flat)](https://www.npmjs.org/)
 
 Turn checkboxes and radio buttons into toggle switches. Created by [Mattia Larentis](http://github.com/nostalgiaz), maintained by [Emanuele Marchi](http://github.com/lostcrew) and [Peter Stein](http://www.bdmdesign.org) with the help of the community.
+Compatible with Bootstrap 4, Bootstrap 3 and Bootstrap 2.
+
+Play with [demo on my fiddle](https://jsfiddle.net/djibe89/vL87w0j8/).
 
 ## Quick start
 
@@ -49,6 +52,10 @@ IE9+ and all the other modern browsers.
 - For Bootstrap 2 (no longer officially supported), import `src/less/bootstrap2/bootstrap-switch.less`
 - For Bootstrap 3, import `src/less/bootstrap3/bootstrap-switch.less`
 
+## SASS/SCSS
+
+- For Bootstrap 4, import `src/sass/bootstrap4/bootstrap-switch.scss`
+
 ## Bugs and feature requests
 
 Have a bug or a feature request? Please first search for existing and closed issues. If your problem or idea is not addressed yet, [please open a new issue](https://github.com/Bttstrp/bootstrap-switch/issues/new).
diff --git a/dist/css/bootstrap4/bootstrap-switch-pktheme.css b/dist/css/bootstrap4/bootstrap-switch-pktheme.css
new file mode 100644
index 00000000..c4c3eb83
--- /dev/null
+++ b/dist/css/bootstrap4/bootstrap-switch-pktheme.css
@@ -0,0 +1,250 @@
+/**
+  * bootstrap-switch paperkit theme - Turn checkboxes and radio buttons into toggle switches.
+  *
+  * @version v3.4 for Bootstrap 4.x
+  * @homepage https://bttstrp.github.io/bootstrap-switch
+  * @author Mattia Larentis <mattia@larentis.eu> (http://larentis.eu)
+  * & djibe
+  * @license Apache-2.0
+  */
+.bootstrap-switch {
+  display: inline-block;
+  direction: ltr;
+  cursor: pointer;
+  border-radius: 30px;
+  border: 0;
+  position: relative;
+  text-align: left;
+  height: 26px;
+  outline: none;
+  overflow: hidden;
+  line-height: 8px;
+  width: 61px !important;
+  z-index: 0;
+  -webkit-user-select: none;
+     -moz-user-select: none;
+      -ms-user-select: none;
+          user-select: none;
+  vertical-align: middle;
+  -webkit-transition: border-color ease-in-out .15s, -webkit-box-shadow ease-in-out .15s;
+  transition: border-color ease-in-out .15s, -webkit-box-shadow ease-in-out .15s;
+  transition: border-color ease-in-out .15s, box-shadow ease-in-out .15s;
+  transition: border-color ease-in-out .15s, box-shadow ease-in-out .15s, -webkit-box-shadow ease-in-out .15s;
+  margin-bottom: 5px;
+  margin-right: 1px;
+}
+.bootstrap-switch .bootstrap-switch-container {
+  display: -webkit-inline-box;
+  display: -ms-inline-flexbox;
+  display: inline-flex;
+  height: 26px;
+  top: 0;
+  border-radius: 30px;
+  -webkit-transform: translate3d(0, 0, 0);
+          transform: translate3d(0, 0, 0);
+  width: 100px !important;
+}
+.bootstrap-switch .bootstrap-switch-handle-on,
+.bootstrap-switch .bootstrap-switch-handle-off,
+.bootstrap-switch .bootstrap-switch-label {
+  -webkit-box-sizing: border-box;
+          box-sizing: border-box;
+  cursor: pointer;
+  display: inline-block !important;
+  height: 100%;
+  color: #fff;
+  vertical-align: middle;
+  padding: 6px 12px;
+  font-size: 11px;
+  text-indent: -5px;
+  line-height: 15px;
+  -webkit-transition: 0.25s ease-out;
+  transition: 0.25s ease-out;
+}
+.bootstrap-switch .bootstrap-switch-handle-on i,
+.bootstrap-switch .bootstrap-switch-handle-off i,
+.bootstrap-switch .bootstrap-switch-label i {
+  font-size: 12px;
+  line-height: 14px;
+}
+.bootstrap-switch .bootstrap-switch-handle-on,
+.bootstrap-switch .bootstrap-switch-handle-off {
+  text-align: center;
+  z-index: 1;
+  float: left;
+  width: 50% !important;
+  background-color: #66615b;
+}
+.bootstrap-switch .bootstrap-switch-handle-on.bootstrap-switch-primary,
+.bootstrap-switch .bootstrap-switch-handle-off.bootstrap-switch-primary {
+  background: #51cbce;
+  color: #fff;
+}
+.bootstrap-switch .bootstrap-switch-handle-on.bootstrap-switch-default,
+.bootstrap-switch .bootstrap-switch-handle-off.bootstrap-switch-default {
+  background: #cfcfca;
+  color: #fff;
+}
+.bootstrap-switch .bootstrap-switch-handle-on.bootstrap-switch-secondary,
+.bootstrap-switch .bootstrap-switch-handle-off.bootstrap-switch-secondary {
+  background: #66615b;
+  color: #fff;
+}
+.bootstrap-switch .bootstrap-switch-handle-on.bootstrap-switch-info,
+.bootstrap-switch .bootstrap-switch-handle-off.bootstrap-switch-info {
+  background: #51bcda;
+  color: #fff;
+}
+.bootstrap-switch .bootstrap-switch-handle-on.bootstrap-switch-success,
+.bootstrap-switch .bootstrap-switch-handle-off.bootstrap-switch-success {
+  background: #6bd098;
+  color: #fff;
+}
+.bootstrap-switch .bootstrap-switch-handle-on.bootstrap-switch-warning,
+.bootstrap-switch .bootstrap-switch-handle-off.bootstrap-switch-warning {
+  background: #fbc658;
+  color: #fff;
+}
+.bootstrap-switch .bootstrap-switch-handle-on.bootstrap-switch-danger,
+.bootstrap-switch .bootstrap-switch-handle-off.bootstrap-switch-danger {
+  background: #f5593d;
+  color: #fff;
+}
+.bootstrap-switch .bootstrap-switch-label {
+  border-radius: 12px;
+  position: relative;
+  text-align: center;
+  float: left;
+  margin: 2px -11px;
+  z-index: 100;
+  color: #333;
+  background: #fff;
+  width: 22px !important;
+  height: 22px;
+  padding: 0;
+  -webkit-box-shadow: 0 1px 1px #fff inset, 0 1px 1px rgba(0, 0, 0, 0.25);
+          box-shadow: 0 1px 1px #fff inset, 0 1px 1px rgba(0, 0, 0, 0.25);
+}
+.bootstrap-switch span::before {
+  content: "\200b";
+}
+.bootstrap-switch .bootstrap-switch-handle-on {
+  border-bottom-left-radius: 3px;
+  border-top-left-radius: 3px;
+}
+.bootstrap-switch .bootstrap-switch-handle-off {
+  text-indent: 6px;
+}
+.bootstrap-switch input[type='radio'],
+.bootstrap-switch input[type='checkbox'] {
+  position: absolute !important;
+  top: 0;
+  left: 0;
+  margin: 0;
+  z-index: -1;
+  opacity: 0;
+  filter: alpha(opacity=0);
+  visibility: hidden;
+}
+.bootstrap-switch input[type='radio'].form-control,
+.bootstrap-switch input[type='checkbox'].form-control {
+  height: auto;
+}
+.bootstrap-switch.bootstrap-switch-mini .bootstrap-switch-handle-on,
+.bootstrap-switch.bootstrap-switch-mini .bootstrap-switch-handle-off,
+.bootstrap-switch.bootstrap-switch-mini .bootstrap-switch-label {
+  padding: 1px 5px;
+  font-size: 12px;
+  line-height: 1.5;
+}
+.bootstrap-switch.bootstrap-switch-small .bootstrap-switch-handle-on,
+.bootstrap-switch.bootstrap-switch-small .bootstrap-switch-handle-off,
+.bootstrap-switch.bootstrap-switch-small .bootstrap-switch-label {
+  padding: 5px 10px;
+  font-size: 12px;
+  line-height: 1.5;
+}
+.bootstrap-switch.bootstrap-switch-large .bootstrap-switch-handle-on,
+.bootstrap-switch.bootstrap-switch-large .bootstrap-switch-handle-off,
+.bootstrap-switch.bootstrap-switch-large .bootstrap-switch-label {
+  padding: 6px 16px;
+  font-size: 18px;
+  line-height: 1.33;
+}
+.bootstrap-switch.bootstrap-switch-disabled, .bootstrap-switch.bootstrap-switch-readonly, .bootstrap-switch.bootstrap-switch-indeterminate {
+  cursor: default !important;
+}
+.bootstrap-switch.bootstrap-switch-disabled .bootstrap-switch-handle-on, .bootstrap-switch.bootstrap-switch-readonly .bootstrap-switch-handle-on, .bootstrap-switch.bootstrap-switch-indeterminate .bootstrap-switch-handle-on, .bootstrap-switch.bootstrap-switch-disabled .bootstrap-switch-handle-off, .bootstrap-switch.bootstrap-switch-readonly .bootstrap-switch-handle-off, .bootstrap-switch.bootstrap-switch-indeterminate .bootstrap-switch-handle-off, .bootstrap-switch.bootstrap-switch-disabled .bootstrap-switch-label, .bootstrap-switch.bootstrap-switch-readonly .bootstrap-switch-label, .bootstrap-switch.bootstrap-switch-indeterminate .bootstrap-switch-label {
+  opacity: 0.5;
+  filter: alpha(opacity=50);
+  cursor: default !important;
+}
+.bootstrap-switch.bootstrap-switch-animate .bootstrap-switch-container {
+  -webkit-transition: margin-left 0.5s;
+  transition: margin-left 0.5s;
+}
+.bootstrap-switch.bootstrap-switch-inverse .bootstrap-switch-handle-on {
+  border-radius: 0 3px 3px 0;
+}
+.bootstrap-switch.bootstrap-switch-inverse .bootstrap-switch-handle-off {
+  border-radius: 3px 0 0 3px;
+}
+.bootstrap-switch.bootstrap-switch-focused {
+  border-color: #66afe9;
+  outline: 0;
+  -webkit-box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075), 0 0 8px rgba(102, 175, 233, 0.6);
+          box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075), 0 0 8px rgba(102, 175, 233, 0.6);
+}
+.bootstrap-switch.bootstrap-switch-on .bootstrap-switch-label, .bootstrap-switch.bootstrap-switch-inverse.bootstrap-switch-off .bootstrap-switch-label {
+  border-bottom-right-radius: 3px;
+  border-top-right-radius: 3px;
+}
+.bootstrap-switch.bootstrap-switch-off .bootstrap-switch-label, .bootstrap-switch.bootstrap-switch-inverse.bootstrap-switch-on .bootstrap-switch-label {
+  border-bottom-left-radius: 3px;
+  border-top-left-radius: 3px;
+}
+.bootstrap-switch.bootstrap-switch-on .bootstrap-switch-container {
+  margin-left: -2px !important;
+}
+.bootstrap-switch.bootstrap-switch-on:hover .bootstrap-switch-label {
+  width: 26px !important;
+  margin: 2px -15px;
+}
+.bootstrap-switch.bootstrap-switch-on .bootstrap-switch-handle-off {
+  background: #66615b;
+}
+.bootstrap-switch.bootstrap-switch-on .bootstrap-switch-danger {
+  background-color: #f5593d;
+}
+.bootstrap-switch.bootstrap-switch-on .bootstrap-switch-warning {
+  background-color: #fbc658;
+}
+.bootstrap-switch.bootstrap-switch-on .bootstrap-switch-success {
+  background-color: #6bd098;
+}
+.bootstrap-switch.bootstrap-switch-on .bootstrap-switch-primary {
+  background-color: #51cbce;
+}
+.bootstrap-switch.bootstrap-switch-on .bootstrap-switch-secondary {
+  background-color: #66615b;
+}
+.bootstrap-switch.bootstrap-switch-on .bootstrap-switch-info {
+  background-color: #51bcda;
+}
+.bootstrap-switch.bootstrap-switch-off .bootstrap-switch-container {
+  margin-left: -37px !important;
+}
+.bootstrap-switch.bootstrap-switch-off:hover .bootstrap-switch-label {
+  width: 26px !important;
+  margin: 2px -15px -13px -11px;
+}
+.bootstrap-switch.bootstrap-switch-off .bootstrap-switch-danger,
+.bootstrap-switch.bootstrap-switch-off .bootstrap-switch-primary,
+.bootstrap-switch.bootstrap-switch-off .bootstrap-switch-info,
+.bootstrap-switch.bootstrap-switch-off .bootstrap-switch-warning,
+.bootstrap-switch.bootstrap-switch-off .bootstrap-switch-success {
+  background-color: #cfcfca;
+}
+.bootstrap-switch.bootstrap-switch-off .bootstrap-switch-handle-on {
+  background-color: #cfcfca;
+}
diff --git a/dist/css/bootstrap4/bootstrap-switch-pktheme.min.css b/dist/css/bootstrap4/bootstrap-switch-pktheme.min.css
new file mode 100644
index 00000000..f98536ce
--- /dev/null
+++ b/dist/css/bootstrap4/bootstrap-switch-pktheme.min.css
@@ -0,0 +1 @@
+.bootstrap-switch{display:inline-block;direction:ltr;cursor:pointer;border-radius:30px;border:0;position:relative;text-align:left;height:26px;outline:0;overflow:hidden;line-height:8px;width:61px!important;z-index:0;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;vertical-align:middle;-webkit-transition:border-color ease-in-out .15s,-webkit-box-shadow ease-in-out .15s;transition:border-color ease-in-out .15s,-webkit-box-shadow ease-in-out .15s;transition:border-color ease-in-out .15s,box-shadow ease-in-out .15s;transition:border-color ease-in-out .15s,box-shadow ease-in-out .15s,-webkit-box-shadow ease-in-out .15s;margin-bottom:5px;margin-right:1px}.bootstrap-switch .bootstrap-switch-container{display:-webkit-inline-box;display:-ms-inline-flexbox;display:inline-flex;height:26px;top:0;border-radius:30px;-webkit-transform:translate3d(0,0,0);transform:translate3d(0,0,0);width:100px!important}.bootstrap-switch .bootstrap-switch-handle-off,.bootstrap-switch .bootstrap-switch-handle-on,.bootstrap-switch .bootstrap-switch-label{-webkit-box-sizing:border-box;box-sizing:border-box;cursor:pointer;display:inline-block!important;height:100%;color:#fff;vertical-align:middle;padding:6px 12px;font-size:11px;text-indent:-5px;line-height:15px;-webkit-transition:.25s ease-out;transition:.25s ease-out}.bootstrap-switch .bootstrap-switch-handle-off i,.bootstrap-switch .bootstrap-switch-handle-on i,.bootstrap-switch .bootstrap-switch-label i{font-size:12px;line-height:14px}.bootstrap-switch .bootstrap-switch-handle-off,.bootstrap-switch .bootstrap-switch-handle-on{text-align:center;z-index:1;float:left;width:50%!important;background-color:#66615b}.bootstrap-switch .bootstrap-switch-handle-off.bootstrap-switch-primary,.bootstrap-switch .bootstrap-switch-handle-on.bootstrap-switch-primary{background:#51cbce;color:#fff}.bootstrap-switch .bootstrap-switch-handle-off.bootstrap-switch-default,.bootstrap-switch .bootstrap-switch-handle-on.bootstrap-switch-default{background:#cfcfca;color:#fff}.bootstrap-switch .bootstrap-switch-handle-off.bootstrap-switch-secondary,.bootstrap-switch .bootstrap-switch-handle-on.bootstrap-switch-secondary{background:#66615b;color:#fff}.bootstrap-switch .bootstrap-switch-handle-off.bootstrap-switch-info,.bootstrap-switch .bootstrap-switch-handle-on.bootstrap-switch-info{background:#51bcda;color:#fff}.bootstrap-switch .bootstrap-switch-handle-off.bootstrap-switch-success,.bootstrap-switch .bootstrap-switch-handle-on.bootstrap-switch-success{background:#6bd098;color:#fff}.bootstrap-switch .bootstrap-switch-handle-off.bootstrap-switch-warning,.bootstrap-switch .bootstrap-switch-handle-on.bootstrap-switch-warning{background:#fbc658;color:#fff}.bootstrap-switch .bootstrap-switch-handle-off.bootstrap-switch-danger,.bootstrap-switch .bootstrap-switch-handle-on.bootstrap-switch-danger{background:#f5593d;color:#fff}.bootstrap-switch .bootstrap-switch-label{border-radius:12px;position:relative;text-align:center;float:left;margin:2px -11px;z-index:100;color:#333;background:#fff;width:22px!important;height:22px;padding:0;-webkit-box-shadow:0 1px 1px #fff inset,0 1px 1px rgba(0,0,0,.25);box-shadow:0 1px 1px #fff inset,0 1px 1px rgba(0,0,0,.25)}.bootstrap-switch span::before{content:"\200b"}.bootstrap-switch .bootstrap-switch-handle-on{border-bottom-left-radius:3px;border-top-left-radius:3px}.bootstrap-switch .bootstrap-switch-handle-off{text-indent:6px}.bootstrap-switch input[type=checkbox],.bootstrap-switch input[type=radio]{position:absolute!important;top:0;left:0;margin:0;z-index:-1;opacity:0;visibility:hidden}.bootstrap-switch input[type=checkbox].form-control,.bootstrap-switch input[type=radio].form-control{height:auto}.bootstrap-switch.bootstrap-switch-mini .bootstrap-switch-handle-off,.bootstrap-switch.bootstrap-switch-mini .bootstrap-switch-handle-on,.bootstrap-switch.bootstrap-switch-mini .bootstrap-switch-label{padding:1px 5px;font-size:12px;line-height:1.5}.bootstrap-switch.bootstrap-switch-small .bootstrap-switch-handle-off,.bootstrap-switch.bootstrap-switch-small .bootstrap-switch-handle-on,.bootstrap-switch.bootstrap-switch-small .bootstrap-switch-label{padding:5px 10px;font-size:12px;line-height:1.5}.bootstrap-switch.bootstrap-switch-large .bootstrap-switch-handle-off,.bootstrap-switch.bootstrap-switch-large .bootstrap-switch-handle-on,.bootstrap-switch.bootstrap-switch-large .bootstrap-switch-label{padding:6px 16px;font-size:18px;line-height:1.33}.bootstrap-switch.bootstrap-switch-disabled,.bootstrap-switch.bootstrap-switch-indeterminate,.bootstrap-switch.bootstrap-switch-readonly{cursor:default!important}.bootstrap-switch.bootstrap-switch-disabled .bootstrap-switch-handle-off,.bootstrap-switch.bootstrap-switch-disabled .bootstrap-switch-handle-on,.bootstrap-switch.bootstrap-switch-disabled .bootstrap-switch-label,.bootstrap-switch.bootstrap-switch-indeterminate .bootstrap-switch-handle-off,.bootstrap-switch.bootstrap-switch-indeterminate .bootstrap-switch-handle-on,.bootstrap-switch.bootstrap-switch-indeterminate .bootstrap-switch-label,.bootstrap-switch.bootstrap-switch-readonly .bootstrap-switch-handle-off,.bootstrap-switch.bootstrap-switch-readonly .bootstrap-switch-handle-on,.bootstrap-switch.bootstrap-switch-readonly .bootstrap-switch-label{opacity:.5;cursor:default!important}.bootstrap-switch.bootstrap-switch-animate .bootstrap-switch-container{-webkit-transition:margin-left .5s;transition:margin-left .5s}.bootstrap-switch.bootstrap-switch-inverse .bootstrap-switch-handle-on{border-radius:0 3px 3px 0}.bootstrap-switch.bootstrap-switch-inverse .bootstrap-switch-handle-off{border-radius:3px 0 0 3px}.bootstrap-switch.bootstrap-switch-focused{border-color:#66afe9;outline:0;-webkit-box-shadow:inset 0 1px 1px rgba(0,0,0,.075),0 0 8px rgba(102,175,233,.6);box-shadow:inset 0 1px 1px rgba(0,0,0,.075),0 0 8px rgba(102,175,233,.6)}.bootstrap-switch.bootstrap-switch-inverse.bootstrap-switch-off .bootstrap-switch-label,.bootstrap-switch.bootstrap-switch-on .bootstrap-switch-label{border-bottom-right-radius:3px;border-top-right-radius:3px}.bootstrap-switch.bootstrap-switch-inverse.bootstrap-switch-on .bootstrap-switch-label,.bootstrap-switch.bootstrap-switch-off .bootstrap-switch-label{border-bottom-left-radius:3px;border-top-left-radius:3px}.bootstrap-switch.bootstrap-switch-on .bootstrap-switch-container{margin-left:-2px!important}.bootstrap-switch.bootstrap-switch-on:hover .bootstrap-switch-label{width:26px!important;margin:2px -15px}.bootstrap-switch.bootstrap-switch-on .bootstrap-switch-handle-off{background:#66615b}.bootstrap-switch.bootstrap-switch-on .bootstrap-switch-danger{background-color:#f5593d}.bootstrap-switch.bootstrap-switch-on .bootstrap-switch-warning{background-color:#fbc658}.bootstrap-switch.bootstrap-switch-on .bootstrap-switch-success{background-color:#6bd098}.bootstrap-switch.bootstrap-switch-on .bootstrap-switch-primary{background-color:#51cbce}.bootstrap-switch.bootstrap-switch-on .bootstrap-switch-secondary{background-color:#66615b}.bootstrap-switch.bootstrap-switch-on .bootstrap-switch-info{background-color:#51bcda}.bootstrap-switch.bootstrap-switch-off .bootstrap-switch-container{margin-left:-37px!important}.bootstrap-switch.bootstrap-switch-off:hover .bootstrap-switch-label{width:26px!important;margin:2px -15px -13px -11px}.bootstrap-switch.bootstrap-switch-off .bootstrap-switch-danger,.bootstrap-switch.bootstrap-switch-off .bootstrap-switch-info,.bootstrap-switch.bootstrap-switch-off .bootstrap-switch-primary,.bootstrap-switch.bootstrap-switch-off .bootstrap-switch-success,.bootstrap-switch.bootstrap-switch-off .bootstrap-switch-warning{background-color:#cfcfca}.bootstrap-switch.bootstrap-switch-off .bootstrap-switch-handle-on{background-color:#cfcfca}
\ No newline at end of file
diff --git a/dist/css/bootstrap4/bootstrap-switch.css b/dist/css/bootstrap4/bootstrap-switch.css
new file mode 100644
index 00000000..ff1d18fa
--- /dev/null
+++ b/dist/css/bootstrap4/bootstrap-switch.css
@@ -0,0 +1,174 @@
+/**
+  * bootstrap-switch - Turn checkboxes and radio buttons into toggle switches.
+  *
+  * @version v3.4 for Bootstrap 4.x
+  * @homepage https://bttstrp.github.io/bootstrap-switch
+  * @author Mattia Larentis <mattia@larentis.eu> (http://larentis.eu)
+  * & djibe
+  * @license Apache-2.0
+  */
+.bootstrap-switch {
+  display: inline-block;
+  direction: ltr;
+  cursor: pointer;
+  border-radius: 4px;
+  border: 1px solid #ccc;
+  position: relative;
+  text-align: left;
+  overflow: hidden;
+  line-height: 8px;
+  z-index: 0;
+  -webkit-user-select: none;
+     -moz-user-select: none;
+      -ms-user-select: none;
+          user-select: none;
+  vertical-align: middle;
+  -webkit-transition: border-color ease-in-out .15s, -webkit-box-shadow ease-in-out .15s;
+  transition: border-color ease-in-out .15s, -webkit-box-shadow ease-in-out .15s;
+  transition: border-color ease-in-out .15s, box-shadow ease-in-out .15s;
+  transition: border-color ease-in-out .15s, box-shadow ease-in-out .15s, -webkit-box-shadow ease-in-out .15s;
+}
+.bootstrap-switch .bootstrap-switch-container {
+  display: inline-block;
+  top: 0;
+  border-radius: 4px;
+  -webkit-transform: translate3d(0, 0, 0);
+          transform: translate3d(0, 0, 0);
+}
+.bootstrap-switch .bootstrap-switch-handle-on,
+.bootstrap-switch .bootstrap-switch-handle-off,
+.bootstrap-switch .bootstrap-switch-label {
+  -webkit-box-sizing: border-box;
+          box-sizing: border-box;
+  cursor: pointer;
+  display: table-cell;
+  vertical-align: middle;
+  padding: 6px 12px;
+  font-size: 14px;
+  line-height: 20px;
+  font-weight: 500;
+}
+.bootstrap-switch .bootstrap-switch-handle-on,
+.bootstrap-switch .bootstrap-switch-handle-off {
+  text-align: center;
+  z-index: 1;
+}
+.bootstrap-switch .bootstrap-switch-handle-on.bootstrap-switch-primary,
+.bootstrap-switch .bootstrap-switch-handle-off.bootstrap-switch-primary {
+  background: #007bff;
+  color: #fff;
+}
+.bootstrap-switch .bootstrap-switch-handle-on.bootstrap-switch-default,
+.bootstrap-switch .bootstrap-switch-handle-off.bootstrap-switch-default {
+  background: #eee;
+  color: rgba(0, 0, 0, 0.87);
+}
+.bootstrap-switch .bootstrap-switch-handle-on.bootstrap-switch-secondary,
+.bootstrap-switch .bootstrap-switch-handle-off.bootstrap-switch-secondary {
+  background: #6c757d;
+  color: #fff;
+}
+.bootstrap-switch .bootstrap-switch-handle-on.bootstrap-switch-info,
+.bootstrap-switch .bootstrap-switch-handle-off.bootstrap-switch-info {
+  background: #17a2b8;
+  color: #fff;
+}
+.bootstrap-switch .bootstrap-switch-handle-on.bootstrap-switch-success,
+.bootstrap-switch .bootstrap-switch-handle-off.bootstrap-switch-success {
+  background: #28a745;
+  color: #fff;
+}
+.bootstrap-switch .bootstrap-switch-handle-on.bootstrap-switch-warning,
+.bootstrap-switch .bootstrap-switch-handle-off.bootstrap-switch-warning {
+  background: #ffc107;
+  color: #fff;
+}
+.bootstrap-switch .bootstrap-switch-handle-on.bootstrap-switch-danger,
+.bootstrap-switch .bootstrap-switch-handle-off.bootstrap-switch-danger {
+  background: #dc3545;
+  color: #fff;
+}
+.bootstrap-switch .bootstrap-switch-label {
+  text-align: center;
+  margin-top: -1px;
+  margin-bottom: -1px;
+  z-index: 100;
+  color: #333;
+  background: #fff;
+  padding: 8px 12px;
+}
+.bootstrap-switch span::before {
+  content: "\200b";
+}
+.bootstrap-switch .bootstrap-switch-handle-on {
+  border-bottom-left-radius: 3px;
+  border-top-left-radius: 3px;
+}
+.bootstrap-switch .bootstrap-switch-handle-off {
+  border-bottom-right-radius: 3px;
+  border-top-right-radius: 3px;
+}
+.bootstrap-switch input[type='radio'],
+.bootstrap-switch input[type='checkbox'] {
+  position: absolute !important;
+  top: 0;
+  left: 0;
+  margin: 0;
+  z-index: -1;
+  opacity: 0;
+  filter: alpha(opacity=0);
+  visibility: hidden;
+}
+.bootstrap-switch.bootstrap-switch-mini .bootstrap-switch-handle-on,
+.bootstrap-switch.bootstrap-switch-mini .bootstrap-switch-handle-off,
+.bootstrap-switch.bootstrap-switch-mini .bootstrap-switch-label {
+  padding: 1px 5px;
+  font-size: 12px;
+  line-height: 1.5;
+}
+.bootstrap-switch.bootstrap-switch-small .bootstrap-switch-handle-on,
+.bootstrap-switch.bootstrap-switch-small .bootstrap-switch-handle-off,
+.bootstrap-switch.bootstrap-switch-small .bootstrap-switch-label {
+  padding: 5px 10px;
+  font-size: 12px;
+  line-height: 1.5;
+}
+.bootstrap-switch.bootstrap-switch-large .bootstrap-switch-handle-on,
+.bootstrap-switch.bootstrap-switch-large .bootstrap-switch-handle-off,
+.bootstrap-switch.bootstrap-switch-large .bootstrap-switch-label {
+  padding: 6px 16px;
+  font-size: 18px;
+  line-height: 1.3333333;
+}
+.bootstrap-switch.bootstrap-switch-disabled, .bootstrap-switch.bootstrap-switch-readonly, .bootstrap-switch.bootstrap-switch-indeterminate {
+  cursor: default !important;
+}
+.bootstrap-switch.bootstrap-switch-disabled .bootstrap-switch-handle-on, .bootstrap-switch.bootstrap-switch-readonly .bootstrap-switch-handle-on, .bootstrap-switch.bootstrap-switch-indeterminate .bootstrap-switch-handle-on, .bootstrap-switch.bootstrap-switch-disabled .bootstrap-switch-handle-off, .bootstrap-switch.bootstrap-switch-readonly .bootstrap-switch-handle-off, .bootstrap-switch.bootstrap-switch-indeterminate .bootstrap-switch-handle-off, .bootstrap-switch.bootstrap-switch-disabled .bootstrap-switch-label, .bootstrap-switch.bootstrap-switch-readonly .bootstrap-switch-label, .bootstrap-switch.bootstrap-switch-indeterminate .bootstrap-switch-label {
+  opacity: 0.5;
+  filter: alpha(opacity=50);
+  cursor: default !important;
+}
+.bootstrap-switch.bootstrap-switch-animate .bootstrap-switch-container {
+  -webkit-transition: margin-left 0.5s;
+  transition: margin-left 0.5s;
+}
+.bootstrap-switch.bootstrap-switch-inverse .bootstrap-switch-handle-on {
+  border-radius: 0 3px 3px 0;
+}
+.bootstrap-switch.bootstrap-switch-inverse .bootstrap-switch-handle-off {
+  border-radius: 3px 0 0 3px;
+}
+.bootstrap-switch.bootstrap-switch-focused {
+  border-color: #66afe9;
+  outline: 0;
+  -webkit-box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075), 0 0 8px rgba(102, 175, 233, 0.6);
+          box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075), 0 0 8px rgba(102, 175, 233, 0.6);
+}
+.bootstrap-switch.bootstrap-switch-on .bootstrap-switch-label, .bootstrap-switch.bootstrap-switch-inverse.bootstrap-switch-off .bootstrap-switch-label {
+  border-bottom-right-radius: 3px;
+  border-top-right-radius: 3px;
+}
+.bootstrap-switch.bootstrap-switch-off .bootstrap-switch-label, .bootstrap-switch.bootstrap-switch-inverse.bootstrap-switch-on .bootstrap-switch-label {
+  border-bottom-left-radius: 3px;
+  border-top-left-radius: 3px;
+}
diff --git a/dist/css/bootstrap4/bootstrap-switch.min.css b/dist/css/bootstrap4/bootstrap-switch.min.css
new file mode 100644
index 00000000..6350fef9
--- /dev/null
+++ b/dist/css/bootstrap4/bootstrap-switch.min.css
@@ -0,0 +1 @@
+.bootstrap-switch{display:inline-block;direction:ltr;cursor:pointer;border-radius:4px;border:1px solid #ccc;position:relative;text-align:left;overflow:hidden;line-height:8px;z-index:0;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;vertical-align:middle;-webkit-transition:border-color ease-in-out .15s, -webkit-box-shadow ease-in-out .15s;transition:border-color ease-in-out .15s, -webkit-box-shadow ease-in-out .15s;transition:border-color ease-in-out .15s, box-shadow ease-in-out .15s;transition:border-color ease-in-out .15s, box-shadow ease-in-out .15s, -webkit-box-shadow ease-in-out .15s}.bootstrap-switch .bootstrap-switch-container{display:inline-block;top:0;border-radius:4px;-webkit-transform:translate3d(0, 0, 0);transform:translate3d(0, 0, 0)}.bootstrap-switch .bootstrap-switch-handle-on,.bootstrap-switch .bootstrap-switch-handle-off,.bootstrap-switch .bootstrap-switch-label{-webkit-box-sizing:border-box;box-sizing:border-box;cursor:pointer;display:table-cell;vertical-align:middle;padding:6px 12px;font-size:14px;line-height:20px;font-weight:500}.bootstrap-switch .bootstrap-switch-handle-on,.bootstrap-switch .bootstrap-switch-handle-off{text-align:center;z-index:1}.bootstrap-switch .bootstrap-switch-handle-on.bootstrap-switch-primary,.bootstrap-switch .bootstrap-switch-handle-off.bootstrap-switch-primary{background:#007bff;color:#fff}.bootstrap-switch .bootstrap-switch-handle-on.bootstrap-switch-default,.bootstrap-switch .bootstrap-switch-handle-off.bootstrap-switch-default{background:#eee;color:rgba(0,0,0,0.87)}.bootstrap-switch .bootstrap-switch-handle-on.bootstrap-switch-secondary,.bootstrap-switch .bootstrap-switch-handle-off.bootstrap-switch-secondary{background:#6c757d;color:#fff}.bootstrap-switch .bootstrap-switch-handle-on.bootstrap-switch-info,.bootstrap-switch .bootstrap-switch-handle-off.bootstrap-switch-info{background:#17a2b8;color:#fff}.bootstrap-switch .bootstrap-switch-handle-on.bootstrap-switch-success,.bootstrap-switch .bootstrap-switch-handle-off.bootstrap-switch-success{background:#28a745;color:#fff}.bootstrap-switch .bootstrap-switch-handle-on.bootstrap-switch-warning,.bootstrap-switch .bootstrap-switch-handle-off.bootstrap-switch-warning{background:#ffc107;color:#fff}.bootstrap-switch .bootstrap-switch-handle-on.bootstrap-switch-danger,.bootstrap-switch .bootstrap-switch-handle-off.bootstrap-switch-danger{background:#dc3545;color:#fff}.bootstrap-switch .bootstrap-switch-label{text-align:center;margin-top:-1px;margin-bottom:-1px;z-index:100;color:#333;background:#fff;padding:8px 12px}.bootstrap-switch span::before{content:"\200b"}.bootstrap-switch .bootstrap-switch-handle-on{border-bottom-left-radius:3px;border-top-left-radius:3px}.bootstrap-switch .bootstrap-switch-handle-off{border-bottom-right-radius:3px;border-top-right-radius:3px}.bootstrap-switch input[type='radio'],.bootstrap-switch input[type='checkbox']{position:absolute !important;top:0;left:0;margin:0;z-index:-1;opacity:0;filter:alpha(opacity=0);visibility:hidden}.bootstrap-switch.bootstrap-switch-mini .bootstrap-switch-handle-on,.bootstrap-switch.bootstrap-switch-mini .bootstrap-switch-handle-off,.bootstrap-switch.bootstrap-switch-mini .bootstrap-switch-label{padding:1px 5px;font-size:12px;line-height:1.5}.bootstrap-switch.bootstrap-switch-small .bootstrap-switch-handle-on,.bootstrap-switch.bootstrap-switch-small .bootstrap-switch-handle-off,.bootstrap-switch.bootstrap-switch-small .bootstrap-switch-label{padding:5px 10px;font-size:12px;line-height:1.5}.bootstrap-switch.bootstrap-switch-large .bootstrap-switch-handle-on,.bootstrap-switch.bootstrap-switch-large .bootstrap-switch-handle-off,.bootstrap-switch.bootstrap-switch-large .bootstrap-switch-label{padding:6px 16px;font-size:18px;line-height:1.3333333}.bootstrap-switch.bootstrap-switch-disabled,.bootstrap-switch.bootstrap-switch-readonly,.bootstrap-switch.bootstrap-switch-indeterminate{cursor:default !important}.bootstrap-switch.bootstrap-switch-disabled .bootstrap-switch-handle-on,.bootstrap-switch.bootstrap-switch-readonly .bootstrap-switch-handle-on,.bootstrap-switch.bootstrap-switch-indeterminate .bootstrap-switch-handle-on,.bootstrap-switch.bootstrap-switch-disabled .bootstrap-switch-handle-off,.bootstrap-switch.bootstrap-switch-readonly .bootstrap-switch-handle-off,.bootstrap-switch.bootstrap-switch-indeterminate .bootstrap-switch-handle-off,.bootstrap-switch.bootstrap-switch-disabled .bootstrap-switch-label,.bootstrap-switch.bootstrap-switch-readonly .bootstrap-switch-label,.bootstrap-switch.bootstrap-switch-indeterminate .bootstrap-switch-label{opacity:0.5;filter:alpha(opacity=50);cursor:default !important}.bootstrap-switch.bootstrap-switch-animate .bootstrap-switch-container{-webkit-transition:margin-left 0.5s;transition:margin-left 0.5s}.bootstrap-switch.bootstrap-switch-inverse .bootstrap-switch-handle-on{border-radius:0 3px 3px 0}.bootstrap-switch.bootstrap-switch-inverse .bootstrap-switch-handle-off{border-radius:3px 0 0 3px}.bootstrap-switch.bootstrap-switch-focused{border-color:#66afe9;outline:0;-webkit-box-shadow:inset 0 1px 1px rgba(0,0,0,0.075),0 0 8px rgba(102,175,233,0.6);box-shadow:inset 0 1px 1px rgba(0,0,0,0.075),0 0 8px rgba(102,175,233,0.6)}.bootstrap-switch.bootstrap-switch-on .bootstrap-switch-label,.bootstrap-switch.bootstrap-switch-inverse.bootstrap-switch-off .bootstrap-switch-label{border-bottom-right-radius:3px;border-top-right-radius:3px}.bootstrap-switch.bootstrap-switch-off .bootstrap-switch-label,.bootstrap-switch.bootstrap-switch-inverse.bootstrap-switch-on .bootstrap-switch-label{border-bottom-left-radius:3px;border-top-left-radius:3px}
diff --git a/package.json b/package.json
index f735166e..680500bd 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "bootstrap-switch",
   "description": "Turn checkboxes and radio buttons into toggle switches.",
-  "version": "3.3.5",
+  "version": "3.4",
   "keywords": [
     "bootstrap",
     "switch",
@@ -16,7 +16,7 @@
   ],
   "main": "dist/js/bootstrap-switch.js",
   "peerDependencies": {
-    "bootstrap": "^3.3.7",
+    "bootstrap": "^4.3.1",
     "jquery": ">=1.12.4"
   },
   "repository": {
diff --git a/src/sass/bootstrap4/bootstrap-switch-pktheme.scss b/src/sass/bootstrap4/bootstrap-switch-pktheme.scss
new file mode 100644
index 00000000..58856d61
--- /dev/null
+++ b/src/sass/bootstrap4/bootstrap-switch-pktheme.scss
@@ -0,0 +1,303 @@
+/**
+  * bootstrap-switch paperkit theme - Turn checkboxes and radio buttons into toggle switches.
+  *
+  * @version v3.4 for Bootstrap 4.x
+  * @homepage https://bttstrp.github.io/bootstrap-switch
+  * @author Mattia Larentis <mattia@larentis.eu> (http://larentis.eu)
+  * & djibe
+  * @license Apache-2.0
+  */
+
+$bootstrap-switch-border-radius: 30px;
+$bootstrap-switch-handle-border-radius: 3px;
+
+@import "../bootstrap-4.3.1/functions";
+@import "../updated-paperkit2/variables-paperkit2";
+
+.bootstrap-switch {
+    display: inline-block;
+    direction: ltr;
+    cursor: pointer;
+    border-radius: $bootstrap-switch-border-radius;
+    border: 0;
+    position: relative;
+    text-align: left;
+    height: 26px;
+    outline: none;
+    overflow: hidden;
+    line-height: 8px;
+    width: 61px !important;
+    z-index: 0;
+    user-select: none;
+    vertical-align: middle;
+    transition: border-color ease-in-out .15s, box-shadow ease-in-out .15s;
+    margin-bottom: 5px;
+    margin-right: 1px;
+
+    .bootstrap-switch-container {
+        display: inline-flex;
+        height: 26px;
+        top: 0;
+        border-radius: $bootstrap-switch-border-radius;
+        transform: translate3d(0, 0, 0);
+        width: 100px !important;
+    }
+
+    .bootstrap-switch-handle-on,
+    .bootstrap-switch-handle-off,
+    .bootstrap-switch-label {
+        box-sizing: border-box;
+        cursor: pointer;
+        display: inline-block !important;
+        height: 100%;
+        color: #fff;
+        vertical-align: middle;
+        padding: 6px 12px;
+        font-size: 11px;
+        text-indent: -5px;
+        line-height: 15px;
+        transition: 0.25s ease-out;
+
+        i {
+            font-size: 12px;
+            line-height: 14px;
+        }
+    }
+
+    .bootstrap-switch-handle-on,
+    .bootstrap-switch-handle-off {
+        text-align: center;
+        z-index: 1;
+        float: left;
+        width: 50% !important;
+        background-color: $secondary;
+
+        &.bootstrap-switch-primary {
+            background: $primary;
+            color: #fff;
+        }
+
+        &.bootstrap-switch-default {
+            background: #cfcfca;
+            color: #fff;
+        }
+
+        &.bootstrap-switch-secondary {
+            background: $secondary;
+            color: #fff;
+        }
+
+        &.bootstrap-switch-info {
+            background: $info;
+            color: #fff;
+        }
+
+        &.bootstrap-switch-success {
+            background: $success;
+            color: #fff;
+        }
+
+        &.bootstrap-switch-warning {
+            background: $warning;
+            color: #fff;
+        }
+
+        &.bootstrap-switch-danger {
+            background: $danger;
+            color: #fff;
+        }
+    }
+
+    .bootstrap-switch-label {
+        border-radius: 12px;
+        position: relative;
+        text-align: center;
+        float: left;
+        margin: 2px -11px;
+        z-index: 100;
+        color: #333;
+        background: #fff;
+        width: 22px !important;
+        height: 22px;
+        padding: 0;
+        box-shadow: 0 1px 1px #fff inset, 0 1px 1px rgba(0, 0, 0, .25);
+    }
+
+    span::before {
+        content: "\200b";
+    }
+
+    .bootstrap-switch-handle-on {
+        border-bottom-left-radius: $bootstrap-switch-handle-border-radius;
+        border-top-left-radius: $bootstrap-switch-handle-border-radius;
+    }
+
+    .bootstrap-switch-handle-off {
+        text-indent: 6px;
+    }
+
+    input[type='radio'],
+    input[type='checkbox'] {
+        position: absolute !important;
+        top: 0;
+        left: 0;
+        margin: 0;
+        z-index: -1;
+        opacity: 0;
+        filter: alpha(opacity=0);
+        visibility: hidden;
+
+        &.form-control {
+            height: auto;
+        }
+    }
+
+    &.bootstrap-switch-mini {
+
+        .bootstrap-switch-handle-on,
+        .bootstrap-switch-handle-off,
+        .bootstrap-switch-label {
+            padding: 1px 5px;
+            font-size: 12px;
+            line-height: 1.5;
+        }
+    }
+
+    &.bootstrap-switch-small {
+
+        .bootstrap-switch-handle-on,
+        .bootstrap-switch-handle-off,
+        .bootstrap-switch-label {
+
+            padding: 5px 10px;
+            font-size: 12px;
+            line-height: 1.5;
+        }
+    }
+
+    &.bootstrap-switch-large {
+
+        .bootstrap-switch-handle-on,
+        .bootstrap-switch-handle-off,
+        .bootstrap-switch-label {
+            padding: 6px 16px;
+            font-size: 18px;
+            line-height: 1.33;
+        }
+    }
+
+    &.bootstrap-switch-disabled,
+    &.bootstrap-switch-readonly,
+    &.bootstrap-switch-indeterminate {
+        cursor: default !important;
+    }
+
+    &.bootstrap-switch-disabled .bootstrap-switch-handle-on,
+    &.bootstrap-switch-readonly .bootstrap-switch-handle-on,
+    &.bootstrap-switch-indeterminate .bootstrap-switch-handle-on,
+    &.bootstrap-switch-disabled .bootstrap-switch-handle-off,
+    &.bootstrap-switch-readonly .bootstrap-switch-handle-off,
+    &.bootstrap-switch-indeterminate .bootstrap-switch-handle-off,
+    &.bootstrap-switch-disabled .bootstrap-switch-label,
+    &.bootstrap-switch-readonly .bootstrap-switch-label,
+    &.bootstrap-switch-indeterminate .bootstrap-switch-label {
+        opacity: 0.5;
+        filter: alpha(opacity=50);
+        cursor: default !important;
+    }
+
+    &.bootstrap-switch-animate .bootstrap-switch-container {
+        transition: margin-left 0.5s;
+    }
+
+    &.bootstrap-switch-inverse {
+        .bootstrap-switch-handle-on {
+            border-radius: 0 $bootstrap-switch-handle-border-radius $bootstrap-switch-handle-border-radius 0;
+        }
+
+        .bootstrap-switch-handle-off {
+            border-radius: $bootstrap-switch-handle-border-radius 0 0 $bootstrap-switch-handle-border-radius;
+        }
+    }
+
+    &.bootstrap-switch-focused {
+        border-color: #66afe9;
+        outline: 0;
+        box-shadow: inset 0 1px 1px rgba(0, 0, 0, .075), 0 0 8px rgba(102, 175, 233, 0.6);
+    }
+
+    &.bootstrap-switch-on .bootstrap-switch-label,
+    &.bootstrap-switch-inverse.bootstrap-switch-off .bootstrap-switch-label {
+        border-bottom-right-radius: $bootstrap-switch-handle-border-radius;
+        border-top-right-radius: $bootstrap-switch-handle-border-radius;
+    }
+
+    &.bootstrap-switch-off .bootstrap-switch-label,
+    &.bootstrap-switch-inverse.bootstrap-switch-on .bootstrap-switch-label {
+        border-bottom-left-radius: $bootstrap-switch-handle-border-radius;
+        border-top-left-radius: $bootstrap-switch-handle-border-radius;
+    }
+
+    // additions
+    &.bootstrap-switch-on {
+        .bootstrap-switch-container {
+            margin-left: -2px !important;
+        }
+
+        &:hover .bootstrap-switch-label {
+            width: 26px !important;
+            margin: 2px -15px;
+        }
+
+        .bootstrap-switch-handle-off {
+            background: $secondary;
+        }
+
+        .bootstrap-switch-danger {
+            background-color: $danger;
+        }
+
+        .bootstrap-switch-warning {
+            background-color: $warning;
+        }
+
+        .bootstrap-switch-success {
+            background-color: $success;
+        }
+
+        .bootstrap-switch-primary {
+            background-color: $primary;
+        }
+
+        .bootstrap-switch-secondary {
+            background-color: $secondary;
+        }
+
+        .bootstrap-switch-info {
+            background-color: $info;
+        }
+    }
+
+    &.bootstrap-switch-off {
+        .bootstrap-switch-container {
+            margin-left: -37px !important;
+        }
+
+        &:hover .bootstrap-switch-label {
+            width: 26px !important;
+            margin: 2px -15px -13px -11px;
+        }
+
+        .bootstrap-switch-danger,
+        .bootstrap-switch-primary,
+        .bootstrap-switch-info,
+        .bootstrap-switch-warning,
+        .bootstrap-switch-success {
+            background-color: #cfcfca;
+        }
+
+        .bootstrap-switch-handle-on {
+            background-color: #cfcfca;
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/sass/bootstrap4/bootstrap-switch.scss b/src/sass/bootstrap4/bootstrap-switch.scss
new file mode 100644
index 00000000..63d99511
--- /dev/null
+++ b/src/sass/bootstrap4/bootstrap-switch.scss
@@ -0,0 +1,214 @@
+/**
+  * bootstrap-switch - Turn checkboxes and radio buttons into toggle switches.
+  *
+  * @version v3.4 for Bootstrap 4.x
+  * @homepage https://bttstrp.github.io/bootstrap-switch
+  * @author Mattia Larentis <mattia@larentis.eu> (http://larentis.eu)
+  * & djibe
+  * @license Apache-2.0
+  */
+
+$bootstrap-switch-border-radius: 4px;
+$bootstrap-switch-handle-border-radius: 3px;
+
+@import "../bootstrap-4.2.1/functions";
+@import "../bootstrap-4.2.1/variables";
+
+.bootstrap-switch {
+	display: inline-block;
+	direction: ltr;
+	cursor: pointer;
+	border-radius: $bootstrap-switch-border-radius;
+	border: 1px solid #ccc;
+	position: relative;
+	text-align: left;
+	overflow: hidden;
+	line-height: 8px;
+	z-index: 0;
+	user-select: none;
+	vertical-align: middle;
+	transition: border-color ease-in-out .15s, box-shadow ease-in-out .15s;
+
+	.bootstrap-switch-container {
+		display: inline-block;
+		top: 0;
+		border-radius: $bootstrap-switch-border-radius;
+		transform: translate3d(0, 0, 0);
+	}
+
+	.bootstrap-switch-handle-on,
+	.bootstrap-switch-handle-off,
+	.bootstrap-switch-label {
+		box-sizing: border-box;
+		cursor: pointer;
+		display: table-cell;
+		vertical-align: middle;
+		padding: 6px 12px;
+		font-size: 14px;
+		line-height: 20px;
+		font-weight: 500;
+	}
+
+	.bootstrap-switch-handle-on,
+	.bootstrap-switch-handle-off {
+		text-align: center;
+		z-index: 1;
+
+		&.bootstrap-switch-primary {
+			background: $primary;
+			color: #fff;
+		}
+
+		&.bootstrap-switch-default {
+			background: #eee;
+			color: rgba(0, 0, 0, .87);
+		}
+
+		&.bootstrap-switch-secondary {
+			background: $secondary;
+			color: #fff;
+		}
+
+		&.bootstrap-switch-info {
+			background: $info;
+			color: #fff;
+		}
+
+		&.bootstrap-switch-success {
+			background: $success;
+			color: #fff;
+		}
+
+		&.bootstrap-switch-warning {
+			background: $warning;
+			color: #fff;
+		}
+
+		&.bootstrap-switch-danger {
+			background: $danger;
+			color: #fff;
+		}
+	}
+
+	.bootstrap-switch-label {
+		text-align: center;
+		margin-top: -1px;
+		margin-bottom: -1px;
+		z-index: 100;
+		color: #333;
+		background: #fff;
+		padding: 8px 12px; //test https://github.com/Bttstrp/bootstrap-switch/issues/693
+	}
+
+	span::before {
+		content: "\200b";
+	}
+
+	.bootstrap-switch-handle-on {
+		border-bottom-left-radius: $bootstrap-switch-handle-border-radius;
+		border-top-left-radius: $bootstrap-switch-handle-border-radius;
+	}
+
+	.bootstrap-switch-handle-off {
+		border-bottom-right-radius: $bootstrap-switch-handle-border-radius;
+		border-top-right-radius: $bootstrap-switch-handle-border-radius;
+	}
+
+	input[type='radio'],
+	input[type='checkbox'] {
+		position: absolute !important;
+		top: 0;
+		left: 0;
+		margin: 0;
+		z-index: -1;
+		opacity: 0;
+		filter: alpha(opacity=0);
+		visibility: hidden;
+	}
+
+	&.bootstrap-switch-mini {
+
+		.bootstrap-switch-handle-on,
+		.bootstrap-switch-handle-off,
+		.bootstrap-switch-label {
+			padding: 1px 5px;
+			font-size: 12px;
+			line-height: 1.5;
+		}
+	}
+
+	&.bootstrap-switch-small {
+
+		.bootstrap-switch-handle-on,
+		.bootstrap-switch-handle-off,
+		.bootstrap-switch-label {
+
+			padding: 5px 10px;
+			font-size: 12px;
+			line-height: 1.5;
+		}
+	}
+
+	&.bootstrap-switch-large {
+
+		.bootstrap-switch-handle-on,
+		.bootstrap-switch-handle-off,
+		.bootstrap-switch-label {
+			padding: 6px 16px;
+			font-size: 18px;
+			line-height: 1.3333333;
+		}
+	}
+
+	&.bootstrap-switch-disabled,
+	&.bootstrap-switch-readonly,
+	&.bootstrap-switch-indeterminate {
+		cursor: default !important;
+	}
+
+	&.bootstrap-switch-disabled .bootstrap-switch-handle-on,
+	&.bootstrap-switch-readonly .bootstrap-switch-handle-on,
+	&.bootstrap-switch-indeterminate .bootstrap-switch-handle-on,
+	&.bootstrap-switch-disabled .bootstrap-switch-handle-off,
+	&.bootstrap-switch-readonly .bootstrap-switch-handle-off,
+	&.bootstrap-switch-indeterminate .bootstrap-switch-handle-off,
+	&.bootstrap-switch-disabled .bootstrap-switch-label,
+	&.bootstrap-switch-readonly .bootstrap-switch-label,
+	&.bootstrap-switch-indeterminate .bootstrap-switch-label {
+		opacity: 0.5;
+		filter: alpha(opacity=50);
+		cursor: default !important;
+	}
+
+	&.bootstrap-switch-animate .bootstrap-switch-container {
+		transition: margin-left 0.5s;
+	}
+
+	&.bootstrap-switch-inverse {
+		.bootstrap-switch-handle-on {
+			border-radius: 0 $bootstrap-switch-handle-border-radius $bootstrap-switch-handle-border-radius 0;
+		}
+
+		.bootstrap-switch-handle-off {
+			border-radius: $bootstrap-switch-handle-border-radius 0 0 $bootstrap-switch-handle-border-radius;
+		}
+	}
+
+	&.bootstrap-switch-focused {
+		border-color: #66afe9;
+		outline: 0;
+		box-shadow: inset 0 1px 1px rgba(0, 0, 0, .075), 0 0 8px rgba(102, 175, 233, 0.6);
+	}
+
+	&.bootstrap-switch-on .bootstrap-switch-label,
+	&.bootstrap-switch-inverse.bootstrap-switch-off .bootstrap-switch-label {
+		border-bottom-right-radius: $bootstrap-switch-handle-border-radius;
+		border-top-right-radius: $bootstrap-switch-handle-border-radius;
+	}
+
+	&.bootstrap-switch-off .bootstrap-switch-label,
+	&.bootstrap-switch-inverse.bootstrap-switch-on .bootstrap-switch-label {
+		border-bottom-left-radius: $bootstrap-switch-handle-border-radius;
+		border-top-left-radius: $bootstrap-switch-handle-border-radius;
+	}
+}