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