MDN / width CSS media feature
MDN / width CSS media feature
The width CSS media feature can be used to test the width of the (or the page box, for paged media).
Syntax
The width feature is specified as a value representing the viewport width. It is a range feature, meaning that you can also use the prefixed min-width and max-width variants to query minimum and maximum values, respectively.
Examples
HTML
<div>Watch this element as you resize your viewport's width.</div>
CSS
/* Exact width */
@media (width: 360px) {
div {
color: red;
}
}
/* Minimum width */
@media (min-width: 35rem) {
div {
background: yellow;
}
}
/* Maximum width */
@media (max-width: 50rem) {
div {
border: 2px solid blue;
}
}