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