Why Isn\'t My nth-child Selector Working on Social Icons?

nth-child Selector Not Working: Why and How to Fix

The nth-child selector is a powerful tool for selecting elements based on their position within a parent element. However, it can sometimes be confusing why the selector is not working as expected.

In the case of the provided code, the nth-child selector is used to apply different background images to social icons within the #social-links div. Despite the nth-child condition, all icons appear the same. This issue stems from a misunderstanding of how the selector works.

How nth-child Works

The nth-child selector counts siblings—elements sharing the same parent element. In the provided HTML, each div.social-logo is the only child of its anchor tag. Therefore, the nth-child selector only counts one element, regardless of its specified value.

However, the anchor tags within #social-links are siblings to each other. As a result, the nth-child selector can effectively target individual anchor tags using the following syntax:

<code class="css">#social-links a:nth-child(1) div
#social-links a:nth-child(2) div
#social-links a:nth-child(3) div</code>

By targeting the anchor tags instead of the div child elements, the nth-child selector can now differentiate between the social icons.

Solution

To resolve the issue, replace the original nth-child declarations with the following:

<code class="css">#social-links a:nth-child(1) div {
    background-image: url(...);
}

#social-links a:nth-child(2) div {
    background-image: url(...);
}

#social-links a:nth-child(3) div {
    background-image: url(...);
}</code>

By targeting the tags, the nth-child selector will correctly apply different background images to each social icon as intended.

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