Enforce light mode, remove Twitter

_config.yml

@@ -63,7 +63,7 @@ google_analytics:
 #     light  - Use the light color scheme
 #     dark   - Use the dark color scheme
 #
-theme_mode: # [light|dark]
+theme_mode: light
 
 # The CDN endpoint for images.
 # Notice that once it is assigned, the CDN url

_includes/sidebar.html

@@ -61,7 +61,7 @@ <h1 class="site-title">
 
     {% for entry in site.data.contact %}
       {% case entry.type %}
-        {% when 'github', 'twitter' %}
+        {% when 'github' %}
           {%- capture url -%}
             https://{{ entry.type }}.com/{{ site[entry.type].username }}
           {%- endcapture -%}

_sass/addon/commons.scss

@@ -763,11 +763,11 @@ $btn-mb: 0.5rem;
   }
 
   .rainbow {
-    background-color: violet; /* For browsers that do not support gradients */
-    background-image: -webkit-linear-gradient(60deg, purple, violet); /* For Safari 5.1 to 6.0 */
-    background-image: -o-linear-gradient(60deg, purple, violet); /* For Opera 11.1 to 12.0 */
-    background-image: -moz-linear-gradient(60deg, purple, violet); /* For Firefox 3.6 to 15 */
-    background-image: linear-gradient(to 60deg, purple, violet); /* Standard syntax (must be last) */
+    background-color: purple; /* For browsers that do not support gradients */
+    background-image: -webkit-linear-gradient(100deg, violet, purple); /* For Safari 5.1 to 6.0 */
+    background-image: -o-linear-gradient(100deg, violet, purple); /* For Opera 11.1 to 12.0 */
+    background-image: -moz-linear-gradient(100deg, violet, purple); /* For Firefox 3.6 to 15 */
+    background-image: linear-gradient(to 100deg, violet, purple); /* Standard syntax (must be last) */
     background-clip: text;
     -webkit-background-clip: text;
     color: transparent;

_sass/colors/typography-light.scss

@@ -38,7 +38,7 @@
   );
 
   /* Sidebar */
-  --site-title-color: rgb(113, 113, 113);
+  --site-title-color: rgb(59, 59, 59);
   --site-subtitle-color: #717171;
   --sidebar-bg: #f6f8fa;
   --sidebar-border-color: #efefef;