More black minicard badges.

Thanks to sfahrenholz and xet7 !

Closes #2745

client/components/cards/minicard.styl

@@ -128,7 +128,7 @@
   .badges
     float: left
     margin-top: 7px
-    color: darken(white, 50%)
+    color: darken(white, 80%)
 
     &:empty
       display: none