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