18F created a pretty good style guide.<p><a href="https://playbook.cio.gov/designstandards/visual-style/" rel="nofollow">https://playbook.cio.gov/designstandards/visual-style/</a>
For Javascript:
- <a href="https://github.com/feross/standard" rel="nofollow">https://github.com/feross/standard</a>
- <a href="https://github.com/Flet/semistandard" rel="nofollow">https://github.com/Flet/semistandard</a><p>Node: Both of these include a style-enforcement tool that can be scripted via NPM scripts.<p>For CSS:
<a href="http://semantic-ui.com/usage/theming.html" rel="nofollow">http://semantic-ui.com/usage/theming.html</a><p>Note: Semantic-UI is a lot like Bootstrap in that it provides a lot of useful visual classes/components. In addition, it can be extended to use custom themes.
Awesome lists are a good place to start.<p><a href="https://github.com/lipis/awesome-style-guides/blob/master/README.md" rel="nofollow">https://github.com/lipis/awesome-style-guides/blob/master/RE...</a>
Assuming you mean CSS style guides these should keep you busy for a while: <a href="http://styleguides.io/examples.html" rel="nofollow">http://styleguides.io/examples.html</a>