Add border and update label colors for better visibility.

Thanks to xet7 !

client/components/cards/labels.styl

@@ -44,9 +44,20 @@
     align-items: center
     justify-content: center
 
+.card-label-white
+  background-color: #ffffff
+  color: #000000 //Black text for better visibility
+  border: 1px solid #c0c0c0
+
+.card-label-white:hover
+  color: #aaaaaa //grey text for better visibility
+
 .card-label-green
   background-color: #3cb500
 
+.card-label-green:hover
+  color: #000000 //Black hover text for better visibility
+
 .card-label-yellow
   background-color: #fad900
   color: #000000 //Black text for better visibility