diff --git a/css/area_main-sidebar-content.less b/css/area_main-sidebar-content.less
index 862c0fc..bf29b2f 100644
--- a/css/area_main-sidebar-content.less
+++ b/css/area_main-sidebar-content.less
@@ -1,14 +1,18 @@
 /**
  * This file provides the design styles the non-navigational elements in the sidebar
  */
+
+
 #dokuwiki__aside {
 
     // do not indent the first level of lists
     // and use less indention in deeper levels
-    ul, ol {
+    ul,
+    ol {
         padding-left: 0;
 
-        ul, ol {
+        ul,
+        ol {
             padding-left: @margin-small;
 
             li {
@@ -17,3 +21,41 @@
         }
     }
 }
+
+
+/* + + + + + + + + + + + + + + + + + + + + + + + + + + */
+/* max-width: 1023px */
+
+@media @screen_max-md {
+    #dokuwiki__aside {
+        display: none;
+    }
+
+    body.show-mobile-sidebar {
+        #dokuwiki__aside {
+            display: block !important;
+            position: absolute;
+            left: 1.25rem; //left margin of content container
+            z-index: 200; // above all
+            box-shadow: @box-shadow-right-bottom;
+            min-width: 45%;
+            max-width: 90%;
+            height: auto;
+
+            &:after {
+                content: "";
+                position: absolute;
+                top: 0;
+                left: 0;
+                bottom: 0;
+                right: 0;
+                width: 100%;
+                height: 100%;
+                background: @ini_background;
+                background: -webkit-linear-gradient(left, @ini_background, @color-content-bg);
+                background: linear-gradient(left, @ini_background, @color-content-bg);
+                z-index: 0;
+            }
+        }
+    }
+}
diff --git a/css/area_main-sidebar-nav.less b/css/area_main-sidebar-nav.less
index c4df8aa..08e3bf5 100755
--- a/css/area_main-sidebar-nav.less
+++ b/css/area_main-sidebar-nav.less
@@ -5,6 +5,7 @@
  * @author Andreas Gohr <gohr@cosmocode.de>
  */
 
+
 #dokuwiki__aside {
     @icon-size: @font-size-big;
     @menu-margin: @icon-size + @margin-small*2; // FIXME this is still wrong
@@ -27,12 +28,10 @@
 
     // the toggle element
     a.nav {
+        .display-flex();
+        .align-items();
+
         cursor: pointer;
-        display: flex;
-        display: -ms-flexbox;
-        flex-direction: row;
-        -ms-flex-direction: row;
-        align-items: center;
         height: @icon-size + @margin-small;
         opacity: 1;
         border: 1px solid transparent;
@@ -57,10 +56,11 @@
             width: @menu-margin;
             height: @icon-size;
             flex-grow: 0;
-            border-right: 1px solid @ini_border;
+            border-right: 1px solid @ini_nav_menu_color;
             text-align: center;
             margin-right: @margin-small;
             color: inherit;
+            transition: @transition border-color;
 
             // simple fake icon
             strong {
@@ -76,6 +76,7 @@
                 border: 2px solid @ini_nav_menu_color;
                 border-top-right-radius: 50%;
                 border-bottom-left-radius: 50%;
+                transition: @transition border-color;
             }
 
             // real icon
@@ -99,8 +100,10 @@
             text-decoration: none;
 
             span.ico {
+                border-color: inherit;
+
                 strong {
-                    border-color: @ini_nav_menu_hover_bg;
+                    border-color: inherit;
                 }
 
                 svg {
@@ -124,7 +127,7 @@
 }
 
 
-/* + + + + + +  wide page content  + + + + +
+/* + + + + + +  wide page content  border-bottom between a.nav (short width)  + + + + +
 .wide-content {
     #dokuwiki__aside {
         a.nav {
@@ -181,11 +184,6 @@
 /* max-width: 1023px */
 
 @media @screen_max-md {
-    // hide on medium and smaller screens
-    #dokuwiki__aside {
-        display: none;
-    }
-
     // show when toggled
     body.show-mobile-sidebar {
         .search.main-sidebar {
@@ -202,30 +200,6 @@
         }
 
         #dokuwiki__aside {
-            display: block !important;
-            position: absolute;
-            left: 1.25rem; //left margin of content container
-            z-index: 200; // above all
-            box-shadow: @box-shadow-right-bottom;
-            min-width: 45%;
-            max-width: 90%;
-            height: auto;
-
-            &:after {
-                content: "";
-                position: absolute;
-                top: 0;
-                left: 0;
-                bottom: 0;
-                right: 0;
-                width: 100%;
-                height: 100%;
-                background: @ini_background;
-                background: -webkit-linear-gradient(left, @ini_background, @color-content-bg);
-                background: linear-gradient(left, @ini_background, @color-content-bg);
-                z-index: 0;
-            }
-
             > nav {
                 position: relative;
                 z-index: 2;