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