diff --git a/.gitignore b/.gitignore
index f79ecc9b..9212e243 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,4 +7,4 @@ node_modules
 npm-debug.log
 .python-version
 main.min.css
-main.css
+main.css
\ No newline at end of file
diff --git a/source/_static/scss/includes/_aside.scss b/source/_static/scss/includes/_aside.scss
index 61a110ae..910ad493 100644
--- a/source/_static/scss/includes/_aside.scss
+++ b/source/_static/scss/includes/_aside.scss
@@ -1,4 +1,4 @@
-div.sidebar,aside.sidebar {
+aside.sidebar {
     width: $sidebar-width;
     position: fixed;
     left: 0;
@@ -9,6 +9,8 @@ div.sidebar,aside.sidebar {
     overflow-y: auto;
     height: 100%;
     z-index: $z-index-header - 1;
+    margin: 0;
+    border: none;
 
     @include breakpoint-min(breakpoints(xl)) {
         padding-top: $content-padding + $header-height;
@@ -30,7 +32,7 @@ div.sidebar,aside.sidebar {
     }
 }
 
-div.sidebar-active {
+.sidebar-active {
     .sidebar {
         @include breakpoint-min(breakpoints(xl)) {
             transform: translate3d(-100%, 0, 0);
@@ -47,7 +49,7 @@ div.sidebar-active {
     }
 }
 
-div.sidebar__title {
+.sidebar__title {
     margin: -0.25rem 0 1.5rem;
     line-height: 100%;
 
diff --git a/source/_static/scss/includes/_variables.scss b/source/_static/scss/includes/_variables.scss
index cefaf052..5e1d7367 100644
--- a/source/_static/scss/includes/_variables.scss
+++ b/source/_static/scss/includes/_variables.scss
@@ -21,6 +21,9 @@ $gray-500: #949494;
    --sd-color-tabs-label-inactive: #{$theme-red-light};
    --sd-color-tabs-overline: #{$theme-red-light};
    --sd-color-tabs-underline: #{$theme-red-lighter};
+   --sd-color-tabs-underline-active: #{$theme-red-lighter};
+   --sd-color-tabs-underline-hover: #{$theme-red-light};
+   --sd-color-tabs-label-hover: #{$theme-red-light};
 }
 
 // Breakpoints