转贴:http://stackoverflow.com/a/23594288
@media all and(-webkit-min-device-pixel-ratio:0)and(min-resolution:.001dpcm){#selector {
background: red;}}
如果用
@media screen and(-webkit-min-device-pixel-ratio:0) {
#selector {
background: red;}
}
会针对Chrome和Safari起作用,不止是Chrome.