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