@media (width >= 30em) and (width <= 100em) {
nav li {
display: block;
}
}That'salittleclearerthan@media (min-width: 30em) and (max-width: 100em).
This more compact syntax, however, is yet to make its way to most browsers―in
fact,itmaynot.Sostickwithmin-andmax-fornow.282 CSS Master