Why Does Firefox Ignore Padding When Using Overflow: Scroll?

Firefox Ignores Padding When Using Overflow: Scroll

When using overflow: scroll with padding styles, a puzzling issue arises in Firefox: the bottom padding of the element vanishes. This behavior is observed in both direct and inherited padding scenarios.

Cause:

The exact cause of the issue is unknown, but it appears to stem from Firefox's rendering behavior where overflowed content is clipped without considering the padding.

Workaround:

To compensate for this inconsistency, a pure CSS solution can be implemented:

<code class="css">.container:after {
    content: "";
    height: 50px;
    display: block;
}</code>

Explanation:

This CSS snippet adds an empty pseudo-element after the container. By setting its height to the same value as the bottom padding and setting display to block, it creates an invisible buffer that forces Firefox to respect the padding.

Limitations:

While this workaround resolves the issue, it does introduce a caveat:

• If the content within the scrollable container overflows beyond the height of the container, the additional pseudo-element height will be visible.

To avoid this, you can use JavaScript to dynamically adjust the height of the pseudo-element based on the height of the overflowed content, ensuring that it remains hidden while accommodating the padding.

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