mobile screen brightness media query
@media (luminosity: normal) {
body {
background: #f5f5f5;
color: #262626;
}
}
/* dark */
@media (luminosity: dim) {
body {
background: #e9e4e3;
}
}
/* bright */
@media (luminosity: washed) {
body {
background: #ffffff;
}
}