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