diff --git a/source/_templates/sphinx_minoo_theme/includes/header.html b/source/_templates/sphinx_minoo_theme/includes/header.html
index ff6dd47..51fd116 100644
--- a/source/_templates/sphinx_minoo_theme/includes/header.html
+++ b/source/_templates/sphinx_minoo_theme/includes/header.html
@@ -39,7 +39,7 @@
 {% if theme_direction == "ltr" %}
     <link rel="stylesheet" type=text/css href="{{ pathto('_static/minoo-ltr.css', 1) }}">
 {% else %}
-    <link rel="stylesheet" type=text/css href="{{ pathto('_static/minoo-20230401.css', 1) }}">
+    <link rel="stylesheet" type=text/css href="{{ pathto('_static/minoo-20230424.css', 1) }}">
 {% endif %}
 
 {%- block linktags %}
diff --git a/source/_templates/sphinx_minoo_theme/static/minoo-20230401.css b/source/_templates/sphinx_minoo_theme/static/minoo-20230424.css
similarity index 96%
rename from source/_templates/sphinx_minoo_theme/static/minoo-20230401.css
rename to source/_templates/sphinx_minoo_theme/static/minoo-20230424.css
index 438d9f6..6cf39f1 100644
--- a/source/_templates/sphinx_minoo_theme/static/minoo-20230401.css
+++ b/source/_templates/sphinx_minoo_theme/static/minoo-20230424.css
@@ -275,18 +275,18 @@ a.hover{background-color:#4CAF50;}
 .toctree-wrapper li.make-red >a{background-color:#ec407a;}
 .toctree-wrapper .make-red >a:hover{border-right:5px #f48fb1 solid;}
 .toctree-wrapper li.make-red.toctree-l1 i{color:#f48fb1!important;}
-.toctree-wrapper li.make-red>ul>li>a{background-color:#f48fb1;}
-.toctree-wrapper li.make-red>ul>li>a:hover{border-right:5px #ec407a solid;}
+.toctree-wrapper li.make-red>ul>li>a,.toctree-wrapper li.make-red>ul>li>ul>li>a{background-color:#f48fb1;}
+.toctree-wrapper li.make-red>ul>li>a:hover,.toctree-wrapper li.make-red>ul>li>ul>li>a:hover{border-right:5px #ec407a solid;}
 
 .toctree-wrapper li.make-green >a{background-color:#00695c;}
 .toctree-wrapper .make-green >a:hover{border-right:5px #4db6ac solid;}
 .toctree-wrapper li.make-green.toctree-l1 i{color:#4db6ac!important;}
-.toctree-wrapper li.make-green>ul>li>a{background-color:#4db6ac;}
-.toctree-wrapper li.make-green>ul>li>a:hover{border-right:5px #00695c solid;}
+.toctree-wrapper li.make-green>ul>li>a,.toctree-wrapper li.make-green>ul>li>ul>li>a{background-color:#4db6ac;}
+.toctree-wrapper li.make-green>ul>li>a:hover,.toctree-wrapper li.make-green>ul>li>ul>li>a:hover{border-right:5px #00695c solid;}
 
 .toctree-wrapper li.make-black >a{background-color:#37474f;}
 .toctree-wrapper .make-black >a:hover{border-right:5px #90a4ae solid;}
 .toctree-wrapper li.make-black.toctree-l1 i{color:#90a4ae!important;}
-.toctree-wrapper li.make-black>ul>li>a{background-color:#90a4ae;}
-.toctree-wrapper li.make-black>ul>li>a:hover{border-right:5px #37474f solid;}
+.toctree-wrapper li.make-black>ul>li>a,.toctree-wrapper li.make-black>ul>li>ul>li>a{background-color:#90a4ae;}
+.toctree-wrapper li.make-black>ul>li>a:hover,.toctree-wrapper li.make-black>ul>li>ul>li>a:hover{border-right:5px #37474f solid;}