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