.header{left:0;position:fixed;right:0;top:0}#logo .svg-logo{display:none;width:200px}#logo .low-res-logo{display:block;width:264px}@media only screen and (-webkit-min-device-pixel-ratio:1.5),print,screen and (-webkit-min-device-pixel-ratio:1.5),screen and (-webkit-min-device-pixel-ratio:144),screen and (min-resolution:144dpi),screen and (min-resolution:144dppx){#logo .svg-logo{display:block}#logo .low-res-logo{display:none}}