Utilize a CSS rule exclusively if the following div element is present - Purely CSS, no need

Can we apply a CSS rule only when a div follows another div?

For example:

<div class="div1">...</div>
<div class="div2">..</div>

CSS Example:

(if div2 exists) .div2 .div1 (apply CSS rule to div1) {
    background-color: red;
}

Answer №1

If you want to add a background color using CSS, you can utilize the has() pseudo-class along with the next sibling selector:

.div1:has(+ .div2) {
  background: red;
}
<div class="div1">...</div>
<div class="div2">...</div>

Answer №2

After some investigation, I managed to find the resolution:

div1:has(+ div2) {
    background-color: light pink;
}

Answer №3

This particular case illustrates how the CSS rule .div2 + .div1 specifically targets a .div1 that immediately follows a .div2.

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <style>
        /* Custom styles defined for .div1 by default */
        .div1 {
            background-color: blue;
        }

        /* Special styles for .div1 when it comes after .div2 */
        .div2 + .div1 {
            background-color: red;
        }
    </style>
</head>
<body>

    <div class="div1">This represents div1</div>
    <div class="div2">This represents div2</div>
    <div class="div1">This is a different div1</div>

</body>
</html>

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