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