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