CSS選擇器(class/ID/後代/群組)
class選擇器 html <body> <div class="primary-box"> <h2>Primary Box</h2> <p>Some text <em>in the box</em>.</p> </div> <div class="secondary-box"> <h2>Secondary Box</h2> <p>Some text <em>in the box</em>.</p> </div> css .primary-box{ } .secondary-box{ } ID 選擇器 html <div id="monkey"> <p>I am. a monkey.</p> </div> CSS #monkey{ } 後代選擇器 CSS .primary-box em { font-style: italic; color: #6fd6f5; } 群組選擇器 CSS .inner-box h3,.inner-box p{ font-size: 24px; color: #b2acac;}