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Can You Stretch a Div to 100% Page Height Using Only CSS?

Barbara Streisand

Release： 2024-10-30 23:48:29

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Can You Stretch a Div to 100% Page Height Using Only CSS?

Stretching a Div to 100% Page Height in CSS

Enhancing a webpage's aesthetics and functionality often involves aligning elements precisely to occupy specific portions of the page. One common requirement is stretching a navigation menu or sidebar to span the entire height of the viewport, extending beyond the visible area when scrolled.

Can It Be Done Without Javascript?

The question of whether such a feature can be achieved solely using HTML and CSS has been raised by developers. The answer is a resounding yes.

The Solution

To resolve this issue, consider the following CSS modifications:

Remove z-index to enable the div to be stretched.
Omit left or right for a full-height column.
Exclude top or bottom for a full-width row.

Here's an example CSS code that demonstrates the solution:

<code class="css">html {
    min-height: 100%; /* ensures minimum viewport height */
    position: relative;
}
body {
    height: 100%; /* matches the height of the HTML element */
}
#cloud-container {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    overflow: hidden;
}</code>

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The accompanying HTML code:

<code class="html"><!doctype html>
<html>
<body>
    <div id="cloud-container"></div>
</body>
</html></code>

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The Rationale

The html {min-height: 100%; position: relative;} declaration ensures the cloud-container div remains within the HTML layout, allowing for accurate height calculations.

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