04_hello_world.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>선택자</title>
    <style>
        * {
            color: red;
        }
        h1 {
            color: blue;
        }
        #p-1 {
            color: green;
        }
        .p-2 {
            color: orange;
        }
    </style>
</head>
<body>
    <h1>Hello World!</h1>
    <p id="p-1">아이디 선택자 실습하기1</p>
    <p class="p-2">클래스 선택자 실습하기2</p>
    <p>선택자 실습하기3</p>
</body>
</html>