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