批改状态:合格
老师批语:
选择器优先级
根据当前选择器的构成计算其优先级,[id数量,class数量,tag数量](从右往左进位),想要覆盖之前的样式,把优先级做高。
字体图标
iconfont下载源文件到项目里面,根据提示在html文档中添加必要的引用和使用代码
盒模型属性
3.1 布局里面几乎都是盒子
3.2 盒子的基础属性(构成)包括:content\paddding\border\margin
padding和margin是空间间隔,只有大小可定义
目前常缩写5个:font,background,padding,border,margin
<!DOCTYPE html><html lang="en"><head><title></title><meta charset="UTF-8" /><meta name="viewport" content="width=device-width, initial-scale=1" /><link rel="stylesheet" href="./resources/iconfont.css" /><style>.iconfont.icon-24px {color: red;background-color: aquamarine;font-size: 24px;}#box {width: 400px;height: 200px;padding-top: 5px;padding-right: 10px;padding-bottom: 15px;padding-left: 20px;padding: 5px;background-color: cornflowerblue;background-clip: content-box;color: red;background-image: url(https://img.php.cn/upload/course/000/000/001/5fbb84ba39b3a182.jpg);background-repeat: no-repeat;background-position: center top;background-size: 200px;background: lightblueurl(https://img.php.cn/upload/course/000/000/001/5fbb84ba39b3a182.jpg)10px 50px/250px no-repeat content-box;border-top: 5px;border-right: 10px;border-bottom: 15px;border-left: 20px;border-width: 20px;border-style: solid;border-color: green;margin: 30px;font-size: 30px;font-family: Serif;font-weight: 600;font-style: italic;font: normal 600 30px "sans-serif";}div.box {color: darkmagenta;}.box {color: red;}body div {color: coral;}div {color: violet;background-color: beige;}</style></head><body><div id="box" class="box">盒子</div><span class="iconfont icon-24px"></span></body></html>
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