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