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