bug fix: #1780

Cards that are longer than the screen height can now scroll on the y-axis in order to be able to see the whole card.

client/components/cards/cardDetails.styl

@@ -5,7 +5,8 @@
   flex-shrink: 0
   flex-basis: 470px
   will-change: flex-basis
-  overflow: hidden
+  overflow-y: scroll
+  overflow-x: hidden
   background: darken(white, 3%)
   border-radius: bottom 3px
   z-index: 20 !important