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