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