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