Element block pseudo-element :after generated with border 0px rgba(0,0,0,1) solid position static width 160px padding 20px margin 0px transition border-radius transform display block overflow hidden height auto box-sizing content-box font-weight normal line-height 1 background z-index auto text-shadow 1px 1px 1px rgba(0,0,0,0.2) float none cursor default box-shadow 1px 1px 1px rgba(0,0,0,0.3) font-size 16px