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