@media
	(-o-min-device-pixel-ratio:10/4),
	(-o-max-device-pixel-ratio:  5/4),
	(-o-device-pixel-ratio:  1/1),
  (-o-device-pixel-ratio:  1/10),
	(-o-device-pixel-ratio:  1.25),
	(device-pixel-ratio:1.5)  {  
		/* some:prop; */
		/* An empty property with a fraction in query would break previously */
 }
 
 .something {
	 foo: bar;
 }