Why Doesn\'t My 100% Height Div Fill Its Parent Container?-CSS Tutorial-php.cn

Why Doesn\'t My 100% Height Div Fill Its Parent Container?

Barbara Streisand

Release： 2024-11-27 07:58:10

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Why Doesn't My 100% Height Div Fill Its Parent Container?

CSS Height Percentage Not Functioning

Issue:

In a simple HTML/CSS code snippet, the

element with a height set to 100% fails to render with its intended height. Why does this occur?

Resolution:

To ensure that the

element fills 100% of its parent's height, it is necessary to set the height of all parent elements to 100%. In this case, the and elements need to have their heights set accordingly.

html, body { height: 100%; width: 100%; margin: 0; }

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By setting the heights of all parent elements to 100%, the

element is able to inherit its parent's height and, therefore, render with the intended height of 100%.

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