批改状态:合格
老师批语:
| 名称 | 用法 |
|---|---|
| 结构伪类 | li:nth-of-type();p:nth-child() |
| 状态伪类 | input:disabled |
| 链接伪类 | a:link;a:hover |
<!DOCTYPE html><html lang="en"><head><meta charset="UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=edge"><meta name="viewport" content="width=device-width, initial-scale=1.0"><title>伪类选择器</title><link rel="stylesheet" href="css/style.css"></head><body><ul><li>item1</li><li>item2</li><li>item3</li><li>item4</li><li>item5</li><li>item6</li><li>item7</li><li>item8</li></ul></body></html>/* CSS文件 *//* 选择第一个 */li:nth-of-type(1) {background-color: blue;}/* 选择最后一个 */li:nth-last-of-type(1) {border: 5px solid violet;}/* 选择全部 */li:nth-of-type(n) {background-color: blueviolet;}/* 选择奇数 */li:nth-of-type(2n+1) {background-color: yellow;}/* 选择前三个 */li:nth-of-type(-n+3) {background-color: cornflowerblue;}/* 选择最后三个 */li:nth-last-of-type(-n+3) {background-color: aqua;}/* 选择偶数 */li:nth-of-type(even) {color: brown;}/* 选择奇数 */li:nth-of-type(odd) {border: 5px solid red;}

<!DOCTYPE html><html lang="en"><head><meta charset="UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=edge"><meta name="viewport" content="width=device-width, initial-scale=1.0"><title>盒模型</title><link rel="stylesheet" href="css/style2.css"></head><body><div class="box">我是盒子</div></body></html>/* CSS代码 */.box {height: 150px;width: 200px;background-clip: content-box;border: 3px dashed yellowgreen;box-sizing: border-box;margin: 0px;padding: 5px;background-color: blueviolet;color: burlywood;}

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