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