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