<aside> ⚡ This boost shows how you can use CSS to re-theme a website, by giving Github a retro theme.

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How to create this Boost

1. Visit github.com, the site we’re boosting.
2. Press the + button and select New Boost
3. Choose the Style template
4. When asked, What do you want to boost?, choose Specific Website and enter github.com
5. Now you’re in the Boost editor, editing style.css. This is CSS code that will be run whenever you visit a page on github.com
   • Delete the placeholder code, and paste the following code into style.css: (← click the triangle to expand)
6. And that’s it! You’ve created a boost. Now it’s time to make it your own: customize the Boost to look, and behave, just how you’d want. Happy boosting 🙂

<aside> 🧩 Once you’ve created a Boost, you can edit or delete it from the Extensions Puzzle menu in the top right corner of Arc’s top bar.

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