Improve card layout on mobile devices

client/components/cards/cardDetails.styl

@@ -94,6 +94,7 @@ avatar-radius = 50%
   animation: flexGrowIn 0.1s
   box-shadow: 0 0 7px 0 darken(white, 30%)
   transition: flex-basis 0.1s
+  box-sizing: border-box
 
   .mCustomScrollBox
     padding-left: 0