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