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