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