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Update css.md #91

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Update css.md
nternetinspired Nov 28, 2014
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nternetinspired Nov 28, 2014
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7 changes: 6 additions & 1 deletion manual/en-US/coding-standards/chapters/css.md
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Expand Up @@ -53,7 +53,12 @@ Subsections should be normally cased and within an open comment block.
// These are stripped on compile.
```

## Class naming
## CSS selectors
Only use classes for CSS selectors, *never IDs* as they introduce unwanted specificity to the cascade. Using an ID as a css selector is like firing the first nuke; you begin a specifity war that can only escalate, with terrible consequence.

To put it another way; Don't use a Sith Lord when just two Storm Troopers will suffice: [CSS Specificity Wars](http://www.stuffandnonsense.co.uk/archives/css_specificity_wars.html)

### Class naming convention
Use dashes to create compound class names:

```css
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