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