What does the \' \' symbol do in CSS sibling selectors?

The Meaning of ' ' in CSS Sibling Selectors

In CSS, the ' ' symbol represents the adjacent sibling combinator. It selects an element that appears immediately after another specific element. This selector is useful for targeting specific elements in a specific order.

Example:

Consider the following CSS rule:

h2 + p { 
  font-size: 1.4em; 
  font-weight: bold;
  color: #777; 
}

The rule applies the specified styles to any

element that directly follows an

element. It would not affect

elements that occur after any other elements, such as

or tags.

Illustration:

<code class="html"><h2>Headline!</h2>
<p>The first paragraph.</p>  <!-- Selected -->
<p>The second paragraph.</p> <!-- Not selected -->

<h2>Another headline!</h2>
<blockquote/>
    <p>A quotation.</p>      <!-- Not selected -->
</blockquote/></code>

• Selected (1): The first

  element comes immediately after an

  element.

• Not selected (2): The second

  element does not directly follow an

  element; instead, it follows a

  element.

• Not selected (3): The

  element within the blockquote does not have an

  element immediately preceding it.

Note:

The adjacent sibling combinator is distinct from the general sibling combinator '~', which selects elements that follow another element anywhere within the same parent.

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