diff --git a/src/main/resources/templates/common/shell/header.html b/src/main/resources/templates/common/shell/header.html
index 58a9498..22d2140 100644
--- a/src/main/resources/templates/common/shell/header.html
+++ b/src/main/resources/templates/common/shell/header.html
@@ -73,44 +73,38 @@
 }
 
 .index-header .logo {
-	display: inline-block;
+    display: inline-block;
     position: absolute;
-	top: 0;
-	left: 0;
+    top: 0;
+    left: 0;
     width: 255px;
-    height: 123px;
-	line-height: 106px;
-	text-align: center;
-	border-right: 1px solid rgba(0, 0, 0, 0.12);
-	transition: margin-left 0.5s cubic-bezier(0.4, 0, 0.2, 1);
-	z-index: 1;
+    height: 100px;
+    line-height: 106px;
+    text-align: center;
+    border-right: 1px solid rgba(0, 0, 0, 0.12);
+    transition: margin-left 0.5s cubic-bezier(0.4, 0, 0.2, 1);
+    z-index: 1;
 }
 
 .index-header .logo .home>span {
-    display: inline-block;
-    width: 255px;
-    height: 100px;
-    background: url("images/natural_js_boot.png") no-repeat 50% 50%;
+    font-weight: 600;
+    font-size: 32px;
+    color: rgba(0,0,0,.87);
+    font-family: cursive;
+}
+
+.index-header .logo .home>span>sup {
+    font-weight: 400;
+    font-size: 16px;
 }
+
 </style>
 
 <article class="index-header">
     <div class="logo">
-        <a class="home" href="./"><span></span></a>
+        <a class="home" href="./"><span>Natural-JS<sup>Boot</sup></span></a>
     </div>
 	<div class="header-back"></div>
-	<div class="links">
-		<a class="github-link" href="https://github.com/bbalganjjm/natural_js" target="blank" title="Natural-JS GitHub repository"><span>Natural-JS</span></a>
-		<a class="github-link github-discussions" href="https://github.com/bbalganjjm/natural_js/discussions" target="blank"><span lang="ko_KR" title="토론/질문/의견"></span><span lang="en_US" title="Discussions"></span></a>
-		<a class="github-link boot" href="https://github.com/bbalganjjm/natural_js_boot" target="blank" title="Natural-JS Boot GitHub repository"><span>Natural-JS Boot</span></a>
-		<a class="github-link github-discussions" href="https://github.com/bbalganjjm/natural_js_boot/discussions" target="blank"><span lang="ko_KR" title="토론/질문/의견"></span><span lang="en_US" title="Discussions"></span></a>
-	</div>
-
-	<div class="i18n-select">
-		<a class="community-link" href="https://www.facebook.com/groups/1927201360891679" target="blank" title="Natural-JS Facebook Community"><span>Community</span></a>
-		<a class="korean link" href="#" title="한국어로 변경">한국어</a> | <a class="english link" href="#" title="Change to english">English</a>
-	</div>
-
 	<select class="theme-color" title="색상 테마 선택"></select>
 </article>
 
diff --git a/src/main/resources/templates/common/shell/lefter.html b/src/main/resources/templates/common/shell/lefter.html
index 6f7646e..fd66c9a 100644
--- a/src/main/resources/templates/common/shell/lefter.html
+++ b/src/main/resources/templates/common/shell/lefter.html
@@ -12,12 +12,11 @@
     border-right: 1px solid rgba(0, 0, 0, 0.12);
 }
 
-
 .index-lefter .logo .home>span {
-    display: inline-block;
-    width: 255px;
-    height: 100px;
-    background: url("images/natural_js.png") no-repeat 50% 50%;
+    font-weight: 600;
+    font-size: 32px;
+    color: rgba(0,0,0,.87);
+    font-family: cursive;
 }
 
 .index-lefter .logo .home>span>sup {
@@ -148,7 +147,7 @@
 
 <article class="index-lefter">
     <div class="logo">
-        <a class="home" href="./"><span></span></a>
+        <a class="home" href="./"><span>Natural-JS<sup>Boot</sup></span></a>
     </div>
     <aside class="mdc-drawer left-menu">
         <div class="mdc-drawer__content">