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