CSS Combinators

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Combinators connect selectors to define relationships between elements in the HTML structure. They help you target elements based on how they’re nested or placed next to each other.

🧩 Types of CSS Combinators

✅ 1. Descendant Selector

div p {
  color: red;
}

Targets all <p> inside any <div>, no matter how deep.

<div>
  <section>
    <p>This will be red</p>
  </section>
</div>

✅ 2. Child Selector

ul > li {
  list-style-type: square;
}

Only targets <li> that are direct children of <ul>.

<ul>
  <li>✅ Direct child</li>
  <ol><li>❌ Not affected</li></ol>
</ul>

✅ 3. Adjacent Sibling Selector

h1 + p {
  font-weight: bold;
}

Targets the first <p> immediately after an <h1>.

<h1>Title</h1>
<p>✅ This is bold</p>
<p>❌ This is not</p>

✅ 4. General Sibling Selector

h2 ~ p {
  color: blue;
}

Targets all <p> siblings that follow an <h2>.

<h2>Section</h2>
<p>✅ Blue</p>
<p>✅ Also blue</p>

🔍 Quick Summary

⚠️ Tips

• Combine combinators for specific layouts.
• Use child selectors (>) to avoid unwanted deep nesting.
• Use adjacent/general sibling selectors for form styling, layouts, and messages.