How Can I Make a Parent `` Expand Vertically to Fit its Child Elements?-CSS Tutorial-php.cn

How Can I Make a Parent `` Expand Vertically to Fit its Child Elements?

Expanding a Parent

Vertically to Accommodate its Child Elements

In HTML, it is often necessary to have a parent element that dynamically adjusts its height to fit the combined height of its child elements. For example, a parent

might contain two

child elements, each with varying content. By default, the parent

will only take up as much height as its tallest child. However, it is possible to modify the CSS of the parent

to enable vertical expansion based on the height of its children.

To achieve this, the following CSS rule can be applied to the parent

overflow: auto;

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This rule instructs the browser to automatically add a vertical scrollbar to the parent

if its content exceeds the available height. As a result, the parent

will expand vertically to accommodate the increased height of its child elements.

Horizontal Scrollbar Issue and Resolution

In the given example, it is mentioned that if the child content exceeds the browser window's width, the current CSS introduces a horizontal scrollbar on the parent

. To resolve this and move the scrollbar to the page level, the following CSS property can be added to the tag:

body {
  overflow-x: auto;
}

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This will create a horizontal scrollbar at the page level, allowing users to scroll horizontally if the child content exceeds the browser window's width.

Alternative Solution Using Table Display

Another approach to achieving vertical expansion of the parent

is to use the "table" display property for the parent and the "table-row" display property for the child elements. This creates a table-like structure where the parent

acts as the table container and the child

s act as table rows. In this table-based approach, the parent

's height will automatically adjust to fit the combined height of its child elements.

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