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