when the screen is 1920, the @ media, also uses the 1910 style. why? The demo in the
code is normal, but not in the project. You can only set a number larger than 1920, such as 1500, but the code structure is the same as the following
body {
background:blue;
}
@media screen and (max-width:1910px){
body {
background:red;
}
}@ media only screen and (device-width:1920px) {
}
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