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