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