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