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color举例
```css .c666 color: #666666; .c999 color: #999999; .ceee color: #eee; .red color:red; ``` -
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padding举例
```css pd5 padding: 5px; pd6 padding: 6px; pd7 padding: 7px; . . . . . . pd15 padding: 15p -
width举例
```css .w100 .w100{ display: block; width: 100%; height: 100%; line-height: 1.5; } ``` -
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辅助class
.hidden/.none display: none; .block display: block; .fl float: left; .fr float: right;text-align: -
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