How to Make a Div Span 100% of the Page Height Using Only CSS?
Nov 02, 2024 pm 07:30 PMHow to Stretch a Div to 100% Page Height without JavaScript
In designing a webpage, it's common to want to create a navigation bar or other element that spans the entire height of the page, not just the viewport's visible area. To achieve this, let's explore a pure CSS solution.
CSS Solution:
html { min-height: 100%; /* Ensure it's as tall as the viewport */ position: relative; } body { height: 100%; /* Force body to match HTML's height */ } #navigation-bar { position: absolute; top: 0; /* Top edge of the page */ bottom: 0; /* Bottom edge of the page */ left: 0; /* Left edge of the page */ right: 0; /* Right edge of the page */ }
This CSS positions the navigation-bar element absolutely within the viewport, ensuring it fills the entire page height without scrolling limitations.
Explanation:
- html sets a minimum height to 100% to match the viewport. This prevents the div from being clipped.
- body sets the height to 100% to force it to match the HTML element's height.
- position: absolute removes the div from normal document flow, allowing it to be positioned within the viewport.
- top: 0 and bottom: 0 extend the div to the full height of the page.
Additional Notes:
- For a full-height column, remove left or right from the #navigation-bar selector.
- For a full-width row, remove top or bottom.
- If the div is not intended as a background, remove z-index: -1; from the selector.
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