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