variables override

src/client/styles/scss/_override-bootstrap-variables.scss

@@ -60,21 +60,10 @@ $input-bg-disabled:              $btn-default-bgcolor;
 $input-border:                   $border;
 
 //** alert
-$alert-bar: (
+$theme-colors: (
   'primary': #337ab7,
   'success': #3c763d,
   'info': #31708f,
   'warning': #8a6d3b,
   'danger': #ff0a54
-);
-@each $alert, $color in $alert-bar {
-  .alert.alert-#{$alert} {
-    background: $color;
-    a:not(.btn) {
-      &:hover,
-      &:focus {
-        color: lighten($color, 30%);
-      }
-    }
-  }
-}
+)