Issue #3495643 by esha_kundu, alok_singh, yas, baldwinlouie: Fix an issue...

Issue #3495643 by esha_kundu, alok_singh, yas, baldwinlouie: Fix an issue where menu and submenu are not visible

css/dark-theme.css

@@ -126,6 +126,13 @@ nav .navbar-default .navbar-nav li.open > a {
   color: #3d9ad3;
 }
 
+.nav.navbar-nav .dropdown-menu > li > a {
+  color: #777;
+}
+.nav.navbar-nav .dropdown-menu > li > a:hover {
+  color: #ebebeb;
+}
+
 /* Title and Breadcumb design */
 .page-header {
   margin-top: 20px;

css/nav.css

@@ -144,3 +144,7 @@ body.toolbar-vertical .toolbar-bar {
     box-shadow: none;
   }
 }
+
+.navbar-nav .dropdown:hover .dropdown-menu {
+  display: block;
+}

css/typhoon-theme.css

@@ -121,6 +121,10 @@ nav .dropdown-menu > li > a:hover,
   background-color: #27292a;
 }
 
+nav .dropdown .dropdown-menu > li > a:hover {
+  background-color: #323232;
+}
+
 .navbar-nav .caret {
   color: #0088a3;
 }