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