Make top selected color customizable

jet/static/jet/css/_top.scss

@@ -100,7 +100,7 @@
       }
 
       &.selected {
-        box-shadow: 0 0 1px 1px $selected-color-1;
+        box-shadow: 0 0 1px 1px $top-dropdown-selected-color;
       }
     }
 

jet/static/jet/css/_variables.scss

@@ -108,6 +108,7 @@ $top-dropdown-border-color: $blue-color-5 !default;
 $top-dropdown-link-color: $blue-color-9 !default;
 $top-dropdown-hover-link-color: $blue-color-9 !default;
 $top-dropdown-icon-color: $blue-color-9 !default;
+$top-dropdown-selected-color: $selected-color-1 !default;
 
 /*
  * Content

jet/static/jet/css/themes/green/_variables.scss

@@ -106,6 +106,7 @@ $top-dropdown-border-color: $green-color-5;
 $top-dropdown-link-color: $green-color-9;
 $top-dropdown-hover-link-color: $green-color-9;
 $top-dropdown-icon-color: $green-color-9;
+$top-dropdown-selected-color: $selected-color-1;
 
 /*
  * Content

jet/static/jet/css/themes/light-blue/_variables.scss

@@ -80,6 +80,7 @@ $top-dropdown-border-color: #1f81c2;
 $top-dropdown-link-color: #fff;
 $top-dropdown-hover-link-color: #fff;
 $top-dropdown-icon-color: #81c5f0;
+$top-dropdown-selected-color: #EFEDC8;
 
 /*
  * Content

jet/static/jet/css/themes/light-gray/_variables.scss

@@ -80,6 +80,7 @@ $top-dropdown-border-color: #36404d;
 $top-dropdown-link-color: #fff;
 $top-dropdown-hover-link-color: #fff;
 $top-dropdown-icon-color: #8b9cb3;
+$top-dropdown-selected-color: #EFEDC8;
 
 /*
  * Content

jet/static/jet/css/themes/light-green/_variables.scss

@@ -80,6 +80,7 @@ $top-dropdown-border-color: #02996e;
 $top-dropdown-link-color: #fff;
 $top-dropdown-hover-link-color: #fff;
 $top-dropdown-icon-color: #beebdb;
+$top-dropdown-selected-color: #EFEDC8;
 
 /*
  * Content

jet/static/jet/css/themes/light-violet/_variables.scss

@@ -80,6 +80,7 @@ $top-dropdown-border-color: #594585;
 $top-dropdown-link-color: #fff;
 $top-dropdown-hover-link-color: #fff;
 $top-dropdown-icon-color: #c8beeb;
+$top-dropdown-selected-color: #EFEDC8;
 
 /*
  * Content