• 코드:
​x
 
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<!DOCTYPE html>
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<html lang="ko">
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​
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<head>
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    <meta charset="UTF-8">
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    <title>CSS3 Buttons</title>
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    <style>
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        .btn {
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            background-color: #87CEEB;
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            padding: 15px 30px;
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            margin: 10px;
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            border: none;
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            color: black;
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            text-align: center;
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            text-decoration: none;
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            font-size: 16px;
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            display: inline-block;
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            cursor: pointer;
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            -webkit-transition-duration: 0.4s;
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            transition-duration: 0.4s;
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        }
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        .btn2 {
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            opacity: 0.4;
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            cursor: not-allowed;
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            disabled;
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        }
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    </style>
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</head>
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​
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<body>
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​
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    <h1>사용할 수 없는 버튼</h1>
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    <button class="btn btn1">정상 버튼</button>
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    <button class="btn btn2">사용 금지 버튼</button>
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​
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</body>
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​
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</html>