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