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CSS
id 속성 1개
class 속성 - 여러개 <input type="checkbox"
DOM - DOM 트리
<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>Insert title here</title> </head> <body class= "main"> <h3> Web Programming</h3> <hr /> <div> <div>2학기 <strong>학습 내용</strong>입니다.</div> <ul id="list"> <li><span>HTML5</span></li> <li><strong>CSS</strong></li> <li>JAVASCRIPT</li> </ul> <div class="warning">60점 이하는 F</div> </div> </body> </html>728x90반응형