Fix feedback button color and star size

css/_variables.scss

 $rateStarLabelColor: #333;
 $rateStarDefault: #ccc;
 $rateStarActivity: #165ecc;
+$rateStarSize: 34px;
+$feedbackCancelFontColor: #333;
 
 /**
  * Misc.

css/buttons/_button-control.scss

     &_primary {
         background-color: $primaryButtonBackground;
         border: 1px solid $primaryButtonBackground;
-        color: $primaryButtonColor;
+        color: $primaryButtonColor !important;
         font-weight: $primaryButtonFontWeight;
 
         &:hover {

css/modals/feedback/_feedback.scss

                 .star-btn {
                     display: inline-block;
                     color: $rateStarDefault;
-                    font-size: 34px;
+                    font-size: $rateStarSize;
                     position: relative;
                     cursor: pointer;
                     outline: none;
         &-footer {
             background-color: $feedbackContentBg;
             border-top-color: transparent;
+
+            .button-control {
+                color: $feedbackCancelFontColor;
+            }
         }
     }
 }