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