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