<html lang="ko">
<head>
<meta charset="UTF-8">
<title>CSS Forms</title>
<style>
input {
width: 100%;
padding: 10px 20px;
margin: 5px 0;
box-sizing: border-box;
}
</style>
</head>
<body>
<h1>input 요소의 크기 설정</h1>
<form>
사용자 : <br>
<input type="text" name="username"><br>
비밀번호 : <br>
<input type="password" name="password">
</form>
</body>
</html>