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