cosmo: fix selector bug, tweak list-group-active-border

cosmo/bootstrap.css

@@ -4950,7 +4950,7 @@ a.list-group-item:focus {
   z-index: 2;
   color: #ffffff;
   background-color: #2780e3;
-  border-color: #2780e3;
+  border-color: #dddddd;
 }
 .list-group-item.active .list-group-item-heading,
 .list-group-item.active:hover .list-group-item-heading,
@@ -6346,10 +6346,14 @@ body {
 .text-info:hover {
   color: #9954bb;
 }
-table a:not(.btn):not(bd > a),
-.table a:not(.btn):not(bd > a) {
+table a:not(.btn),
+.table a:not(.btn) {
   text-decoration: underline;
 }
+table .dropdown-menu a,
+.table .dropdown-menu a {
+  text-decoration: none;
+}
 table .success,
 .table .success,
 table .warning,

cosmo/bootswatch.less

@@ -55,7 +55,7 @@ body {
 table,
 .table {
 
-  a:not(.btn): {
+  a:not(.btn) {
     text-decoration: underline;
   }
 

cosmo/variables.less

@@ -671,7 +671,7 @@
 //** Background color of active list items
 @list-group-active-bg:          @component-active-bg;
 //** Border color of active list elements
-@list-group-active-border:      @list-group-active-bg;
+@list-group-active-border:      @list-group-border;
 //** Text color for content within active list items
 @list-group-active-text-color:  lighten(@list-group-active-bg, 40%);