Element block pseudo-element :after generated with line-height 1 height auto font-size 16px box-sizing content-box cursor default transition border-radius text-shadow 1px 1px 1px rgba(0,0,0,0.2) display block z-index auto overflow hidden transform margin 5px position static padding 8px font-weight normal box-shadow 1px 1px 1px rgba(0,0,0,0.3) float none width 300px border 1px rgba(0,0,0,1) solid background