49 lines
994 B
Markdown
49 lines
994 B
Markdown
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---
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title: Structure of CSS
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localeTitle: CSS的结构
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---
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## CSS结构
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CSS规则遵循以下基本结构:
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```CSS
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selector {
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property: value;
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property: value;
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}
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```
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大括号内的所有内容都会为选择[器选择的内容设置](https://guide.freecodecamp.org/css/selectors)样式。 CSS规则内部是一组[属性](https://guide.freecodecamp.org/css/properties) /值对。
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你可以让不同的选择器与昏迷分开:
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```CSS
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selector1,
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selector2 {
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property: value;
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}
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```
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多个CSS规则可以放在一个CSS文件中 - 这是一个例子:
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```CSS
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h1 {
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color: red;
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}
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div {
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text-align: center;
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color: blue;
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}
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img {
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margin-left: 2px;
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margin-top: 100px;
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}
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```
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#### 更多信息:
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* [代码Web上的CSS语法](https://codetheweb.blog/2017/11/11/css-syntax/)
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* 有关[CSS选择器的](https://guide.freecodecamp.org/css/selectors)更多信息
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* 有关[CSS属性的](https://guide.freecodecamp.org/css/properties)更多信息
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