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