How to Style All But the First Child Element in Nested CSS Selectors?

Working with Nested Selectors: Using not:first-child

Selecting specific elements within a nested structure can be a challenge in CSS. When you encounter a scenario where you need to apply styles to all but the first element in a group, the not:first-child selector comes into play.

One approach you attempted, div ul:not:first-child, unfortunately does not work. This is because the not:first-child selector expects a simple selector as its argument, which means that div ul is invalid in this context.

The correct syntax for the not:first-child selector is:

div ul:not(:first-child) {
    background-color: #900;
}

This selector targets any ul element that is not the first child of its parent div.

However, for legacy browser support or to work around limitations of the :not selector, an alternative technique can be employed:

1. Define a rule with a broader scope than intended, assigning the desired style to all elements.
2. Create a more specific rule with a narrower scope.
3. In the narrower rule, reset the style properties to their default values for elements that meet a specific condition, such as being the first child.

For example, in this code snippet, we apply background color to all ul elements, but the second rule overrides the style for the first-child element:

div ul {
    background-color: #900;
}

div ul:first-child {
    background-color: transparent;
}

By employing either the not:first-child selector or the alternative technique, you can effectively target and style nested elements without affecting the first child.

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