.mac-logo{display:none}@media only screen and (min--moz-device-pixel-ratio:5/4),only screen and (-o-min-device-pixel-ratio:5/4),only screen and (-webkit-min-device-pixel-ratio:1.25),only screen and (min-device-pixel-ratio:1.25),only screen and (min-resolution:1.25dppx){.window-logo{display:none}.mac-logo{display:inline-block}}