Element block pseudo-element :before generated with padding 20px font-size 16px box-sizing content-box border-radius z-index auto transition height auto cursor default line-height 1 overflow hidden margin 0px 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 width 160px font-weight normal border 0px rgba(0,0,0,1) solid transform position static display block