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