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