<position>
Specifies how an element is positioned in a document. It allows for static, relative, absolute, fixed, or sticky positioning, which changes how the element interacts with the page flow.
Quick example
.sticky-header {
position: sticky;
top: 0;
z-index: 100;
}
.overlay {
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
}<position> 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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