43 lines
1.1 KiB
HTML
43 lines
1.1 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>box</title>
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<style>
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body {
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margin: 0;
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}
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.box {
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width: 200px;
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height: 200px;
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background: red;
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/* border: 1px solid #000; */
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border-left: 10px solid green;
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border-right: 10px solid blue;
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border-top: 10px solid yellow;
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border-bottom: 10px solid #000;
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margin: 10px;
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/* margin: 10px; 四个方向 同时设置一样的边距 */
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/* margin: 10px 20px; 上下 表示左右 */
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/* margin: 10px 20px 30px; 上 左右 下 */
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/* margin: 10px 20px 30px 40px; 上 右 下 左*/
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/* margin-left: 10px; */
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/* margin-right: 10px; */
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/* margin-top: 10px; */
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/* margin-bottom: 10px; */
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padding: 10px;
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}
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</style>
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</head>
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<body>
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<div class="box">
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你好
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</div>
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</body>
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</html> |