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