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