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