---
title: 클래스 선택자
slug: Web/CSS/Class_selectors
tags:
  - CSS
  - Reference
  - Selectors
translation_of: Web/CSS/Class_selectors
---
<div>{{CSSRef}}</div>

<p><a href="/ko/docs/Web/CSS">CSS</a> <strong>클래스 선택자</strong>는 요소의 {{htmlattrxref("class")}} 특성에 기반해 요소를 선택합니다.</p>

<pre class="brush: css no-line-numbers">/* All elements with class="spacious" */
.spacious {
  margin: 2em;
}

/* All &lt;li&gt; elements with class="spacious" */
li.spacious {
  margin: 2em;
}

/* All &lt;li&gt; elements with a class list that includes both "spacious" and "elegant" */
/* For example, class="elegant retro spacious" */
li.spacious.elegant {
  margin: 2em;
}
</pre>

<h2 id="구문">구문</h2>

<pre class="syntaxbox">.class_name { <em>style properties</em> }</pre>

<p>위의 구문은 <a href="/ko/docs/Web/CSS/Attribute_selectors">특성 선택자</a>를 사용한 다음 구문과 동일합니다.</p>

<pre class="syntaxbox">[class~=class_name] { <em>style properties</em> }</pre>

<h2 id="예제">예제</h2>

<h3 id="CSS">CSS</h3>

<pre class="brush: css">.red {
  color: #f33;
}

.yellow-bg {
  background: #ffa;
}

.fancy {
  font-weight: bold;
  text-shadow: 4px 4px 3px #77f;
}
</pre>

<h3 id="HTML">HTML</h3>

<pre class="brush: html">&lt;p class="red"&gt;빨간 글자색의 문단입니다.&lt;/p&gt;
&lt;p class="red yellow-bg"&gt;빨간 글자색과 노란 배경의 문단입니다.&lt;/p&gt;
&lt;p class="red fancy"&gt;빨간 글자색과 "멋진" 스타일을 가진 문단입니다.&lt;/p&gt;
&lt;p&gt;이건 그냥 문단이에요.&lt;/p&gt;
</pre>

<h3 id="결과">결과</h3>

<p>{{EmbedLiveSample('예제')}}</p>

<h2 id="명세">명세</h2>

<table class="standard-table">
 <thead>
  <tr>
   <th scope="col">Specification</th>
   <th scope="col">Status</th>
   <th scope="col">Comment</th>
  </tr>
 </thead>
 <tbody>
  <tr>
   <td>{{SpecName('CSS4 Selectors', '#class-html', 'class selectors')}}</td>
   <td>{{Spec2('CSS4 Selectors')}}</td>
   <td>No changes</td>
  </tr>
  <tr>
   <td>{{SpecName('CSS3 Selectors', '#class-html', 'class selectors')}}</td>
   <td>{{Spec2('CSS3 Selectors')}}</td>
   <td></td>
  </tr>
  <tr>
   <td>{{SpecName('CSS2.1', 'selector.html#class-html', 'child selectors')}}</td>
   <td>{{Spec2('CSS2.1')}}</td>
   <td></td>
  </tr>
  <tr>
   <td>{{SpecName('CSS1', '#class-as-selector', 'child selectors')}}</td>
   <td>{{Spec2('CSS1')}}</td>
   <td>Initial definition</td>
  </tr>
 </tbody>
</table>

<h2 id="브라우저_호환성">브라우저 호환성</h2>



<p>{{Compat("css.selectors.class")}}</p>