/*RETINA DISPLAY*/
@media all and (-webkit-min-device-pixel-ratio: 1.5) { 
/*IMPORTANT : PLEASE NOTE:
Just define high resolution version (2x) all of the background images used in your website.
Example is given below:*/
/* Please visit: http://retinajs.com/ */

/*#some-element { background-image: url('../images/my_image@2x.png'); background-size: 200px 100px; } */

}