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