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