How Can I Reliably Select First and Last Child Elements with CSS?

CSS First and Last Child Selection Query

When trying to select the first and last child elements using CSS, the :first-child and :last-child pseudo-classes may not work as expected, especially when the target elements are direct children of the body element.

To address this issue, it is recommended to wrap the target elements within a container element. By doing so, the first and last child pseudo-classes can be applied to the target elements within the container.

.container {
  /* Style rules for the container element */
}

.container .area:first-child {
  background-color: red;
}

.container .area:last-child {
  background-color: green;
}

In this solution, the .container element serves as the reference point for selecting the first and last child elements. This ensures that the pseudo-classes apply correctly to the target elements within that container.

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