Can I use ?Can I use ?
width:size / w:size / w:n/nwidth: size
w:fullwidth: 100%
w:fitwidth: fit-content
w:maxwidth: max-content
w:maxwidth: max-content
w:3xs / w:360width: 22.5rem
w:2xs / w:480width: 30rem
w:xs / w:600width: 37.5rem
w:sm / w:768width: 48rem
w:md / w:1024width: 64rem
w:lg / w:1280width: 80rem
w:xl / w:1440width: 90rem
w:2xl / w:1600width: 100rem
w:3xl / w:1920width: 120rem
w:4xl / w:2560width: 160rem


The width CSS property sets an element’s width. By default, it sets the width of the content area, but if box-sizing is set to border-box, it sets the width of the border area.

<div class="">
<div class="w:200 p:15 ...">
    <div class="w:max ..."></div>

Basic usuage

Applying with functions

<div class="width:$(size)">...</div>

Master supports native CSS variables and functions, just add var(--key) or use shorthand$(key) for variables.

You can also use calc(expression), env(expression) and other CSS functions if the property supports it.

To learn more, see the Functions documentation.

Conditionally apply

States and selectors

<div class="width:full:hover">...</div>

Master supports all native CSS selectors, just add :hover, :disabled, chaining, combinators and other CSS selectors as usual.

To learn more, see the Selectors documentation.

Responsive breakpoints

<div class="width:full@sm">...</div>

Responsive breakpoints can be applied to all styles. Some available breakpoints are 3xs, 2xs, xs, sm,md, lg, xl, 2xl, 3xl, 4xl. Arbitrary breakpoints can be specified through comparison operators >, >=, <, <=.

To learn more, see the Breakpoints documentation.

<div class="width:full@print">...</div>

Master supports media types like print, screen, speech, all, and other media queries.

To learn more, see the Media Queries documentation.

Dark mode and color schemes

<div class="width:full@dark">...</div>

Master uses the selector html.dark to support color schemes. Now, you can easily fine-tune your style for the color schemes.

To learn more, see the Color Schemes documentation.

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