fix apply-colors-dark

packages/app/src/styles/theme/_apply-colors-dark.scss

@@ -114,9 +114,15 @@
   /*
   * Card
   */
-  // .card:not([class*='bg-']):not(.well):not(.card-disabled) {
-  //   @extend .bg-dark;
-  // }
+  .card:not([class*='bg-']):not(.well):not(.card-disabled) {
+    background-color: $dark !important;
+    a,
+    button{
+      @include hover-focus() {
+        background-color: darken($dark, 10%) !important;
+      }
+    }
+  }
 
   // [TODO] GW-3219 modify common color of well in dark theme, then remove below css.
   .card.well {