a:visited	{
		 background-color: red;
		border: 1px solid #000000;
/*		 color: blue;          an internal comment */
		 foo: /* bar is not a real property value */ "bar";
		}
foo.bar, baz		{
		 font: monospace;
		 color: black;
		baz: url(la/la/la);
		fop: url("la la la")
		}
foo.xyzzy, a p	{
		 font: sans-serif;
		}