diff --git a/app/Config/Constants.php b/app/Config/Constants.php
index fd22d30..34080df 100644
--- a/app/Config/Constants.php
+++ b/app/Config/Constants.php
@@ -206,7 +206,8 @@ define('ICONS', [
   'FLAG'    => '<i class="bi bi-send"></i>',
   'SEARCH'  => '<i class="bi bi-search"></i>',
   'EXCEL'   => '<img src="/images/common/excel.png"/>',
-  'HOME'   => '<i class="bi bi-house-door-fill"></i>',
+  'HOME'    => '<i class="bi bi-house-door-fill"></i>',
+  'PLAY'    => '<i class="bi bi-play-fill"></i>',
   'IMAGE_FILE'   => '<i class="bi bi-file-earmark-image"></i>',
 ]);
 define('CLASS_ICONS', [
diff --git a/app/Views/layouts/front/left_menu.php b/app/Views/layouts/front/left_menu.php
index fd09d42..5afb57b 100644
--- a/app/Views/layouts/front/left_menu.php
+++ b/app/Views/layouts/front/left_menu.php
@@ -13,6 +13,7 @@
         $category->getTitle(),
         ["target" => "_self"]
       ) ?>
+      <span class="play"><?= ICONS['PLAY'] ?></span>
     </div>
   <?php endforeach ?>
 </div>
\ No newline at end of file
diff --git a/app/Views/layouts/front/top_menu/top_menu_aboutus.php b/app/Views/layouts/front/top_menu/top_menu_aboutus.php
index e7fa963..70194ee 100644
--- a/app/Views/layouts/front/top_menu/top_menu_aboutus.php
+++ b/app/Views/layouts/front/top_menu/top_menu_aboutus.php
@@ -1,7 +1,7 @@
 <div class="dropdown-center">
 	<ul class="navbar-nav">
 		<li class="nav-item dropdown">
-			<a class="nav-link dropdown-toggle" href="#" id="navbarDarkDropdownMenuLink" role="button" data-bs-toggle="dropdown" aria-expanded="false">
+			<a class="nav-link" href="#" id="navbarDarkDropdownMenuLink" role="button" data-bs-toggle="dropdown" aria-expanded="false">
 				About US
 			</a>
 			<ul class="dropdown-menu" aria-labelledby="navbarDarkDropdownMenuLink">
diff --git a/app/Views/layouts/front/top_menu/top_menu_network.php b/app/Views/layouts/front/top_menu/top_menu_network.php
index 7752645..8c7c834 100644
--- a/app/Views/layouts/front/top_menu/top_menu_network.php
+++ b/app/Views/layouts/front/top_menu/top_menu_network.php
@@ -1,7 +1,7 @@
 <div class="dropdown-center">
 	<ul class="navbar-nav">
 		<li class="nav-item dropdown">
-			<a class="nav-link dropdown-toggle" href="#" id="navbarDarkDropdownMenuLink" role="button" data-bs-toggle="dropdown" aria-expanded="false">
+			<a class="nav-link" href="#" id="navbarDarkDropdownMenuLink" role="button" data-bs-toggle="dropdown" aria-expanded="false">
 				네트워크
 			</a>
 			<ul class="dropdown-menu" aria-labelledby="navbarDarkDropdownMenuLink">
diff --git a/app/Views/layouts/front/top_menu/top_menu_server.php b/app/Views/layouts/front/top_menu/top_menu_server.php
index 9935f1c..130d7b2 100644
--- a/app/Views/layouts/front/top_menu/top_menu_server.php
+++ b/app/Views/layouts/front/top_menu/top_menu_server.php
@@ -1,7 +1,7 @@
 <div class="dropdown-center">
 	<ul class="navbar-nav">
 		<li class="nav-item dropdown">
-			<a class="nav-link dropdown-toggle" href="#" id="navbarDarkDropdownMenuLink" role="button" data-bs-toggle="dropdown" aria-expanded="false">
+			<a class="nav-link" href="#" id="navbarDarkDropdownMenuLink" role="button" data-bs-toggle="dropdown" aria-expanded="false">
 				서버
 			</a>
 			<ul class="dropdown-menu" aria-labelledby="navbarDarkDropdownMenuLink">
diff --git a/app/Views/layouts/front/top_menu/top_menu_support.php b/app/Views/layouts/front/top_menu/top_menu_support.php
index 7257f02..612d55a 100644
--- a/app/Views/layouts/front/top_menu/top_menu_support.php
+++ b/app/Views/layouts/front/top_menu/top_menu_support.php
@@ -1,7 +1,7 @@
 <div class="dropdown-center">
 	<ul class="navbar-nav">
 		<li class="nav-item dropdown">
-			<a class="nav-link dropdown-toggle" href="#" id="navbarDarkDropdownMenuLink" role="button" data-bs-toggle="dropdown" aria-expanded="false">
+			<a class="nav-link" href="#" id="navbarDarkDropdownMenuLink" role="button" data-bs-toggle="dropdown" aria-expanded="false">
 				Support
 			</a>
 			<ul class="dropdown-menu" aria-labelledby="navbarDarkDropdownMenuLink">
diff --git a/public/css/front/left_menu.css b/public/css/front/left_menu.css
index 1512288..c11755a 100644
--- a/public/css/front/left_menu.css
+++ b/public/css/front/left_menu.css
@@ -20,6 +20,8 @@ div#left_menu div.parent div.title{
 div#left_menu div.parent div{
     font-size:24px;
 }
+
+/* leftmenu bar */
 div#left_menu div.sibling {
     padding-top:15px;
     text-align:left;
@@ -32,6 +34,12 @@ div#left_menu div.sibling a{
     color:black;
     font-size:18px;
 }
+div#left_menu div.sibling span.play{
+    float:right;
+    color:white;
+    padding-top:5px;
+    padding-right:15px;
+}
 div#left_menu div.active {
     background-color:#26417D;
 }
@@ -44,9 +52,6 @@ div#left_menu div.sibling:hover {
 div#left_menu div.sibling:hover a,div.active{
     color:white;
 }
-div#left_menu div.accordion div.accordion-item a{
-    padding-left:10px;
-}
-div#left_menu div.accordion div.accordion-collapse a{
-    padding-left:30px;
+div#left_menu div.sibling:hover span.play{
+    color:white;
 }
\ No newline at end of file
diff --git a/public/css/front/top_navigator.css b/public/css/front/top_navigator.css
index 457cca9..598bcea 100644
--- a/public/css/front/top_navigator.css
+++ b/public/css/front/top_navigator.css
@@ -1,6 +1,6 @@
 #top_navigator{
-    padding-top:10px;
-    padding-bottom:10px;
+    padding-top:20px;
+    padding-bottom:20px;
     background-color:#eeeeee
 }