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