Remove border and add box-shadow in boards to My Cards

client/components/main/myCards.styl

@@ -1,15 +1,14 @@
 .my-cards-board-wrapper
-  border-radius: 8px
+  border-radius: 4px
   //padding: 0.5rem
   min-width: 400px
-  border-width: 8px
-  border-color: grey
-  border-style: solid
   margin-bottom: 2rem
   margin-right: auto
   margin-left: auto
+  box-shadow: rgba(0, 0, 0, 0.16) 0px 3px 6px, rgba(0, 0, 0, 0.23) 0px 3px 6px;
 
 .my-cards-board-title
+  border-radius: 4px 4px 0 0;
   font-size: 1.4rem
   font-weight: bold
   padding: 0.5rem