::before
Creates a 'virtual' element that appears as the first child of the selected element. It's often used for quotes, bullet icons, or other decorative elements that don't need to be in the HTML markup.
Quick example
blockquote::before {
content: '“';
font-size: 2rem;
color: #ccc;
}::before Browser Support
Widely available Since 2015 96% global usage
This feature is well established and works across many devices and browser versions. It has been available across browsers since 2015.
Safe to use without fallbacks.
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1.5+
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