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