語法
內容content
Replacing an element with a generated value.
Overview
| Class | Declarations |
|---|---|
content:value|… | content: value …;
|
content:normal | content: normal;
|
content:none | content: none;
|
content:no-open-quote | content: no-open-quote;
|
content:no-close-quote | content: no-close-quote;
|
content:url(…) | content: url(…);
|
content:linear-gradient(…) | content: linear-gradient(…);
|
content:image-set(…) | content: image-set(…);
|
content:counter(…) | content: counter(…);
|
content:attr(…) | content: attr(…);
|
Basic usage
Add indicators for external links
The most typical example is using a pseudo-element to add an indicator ↗ after external links.
Discover high-quality products at XYZ Corporation. Visit our website for exclusive deals and unbeatable prices.
<article class="content:'\00a0↗'_:where(a[href^='http'])::after"> …<a target="_blank" href="https://www.example.com">our website</a>…</article>Resolve whitespaces in the value
Whitespace is used in the class attribute of the template to separate different classes. To replace whitespaces with non-breaking spaces \00a0.
<a class="content:'\00a0↗'::after">…</a>Is it not very kind to use \00a0 in markup?
Predefine your content variables without \00a0.
/** @type {import('@master/css').Config} */export default { variables: { content: { external: ' ↗' } }}Apply your custom fonts:
<a class="content:external::after">…</a>Conditionally apply
Apply styles based on different states using selectors and applying conditionally.
<div class="content:normal:hover content:normal@sm content:normal@dark content:normal@print">…</div>