@media only screen and (-Webkit-min-device-pixel-ratio: 1.5),
only screen and (-moz-min-device-pixel-ratio: 1.5),
only screen and (-o-min-device-pixel-ratio: 3/2),
only screen and (min-device-pixel-ratio: 1.5) {
	.search_area input[type="submit"]{ background: url(assets/images/search-icon@2x.png) no-repeat center 4px;   background-size: 17px 17px; }
}