> For the complete documentation index, see [llms.txt](https://muradkarakas.gitbook.io/sodium_documentation/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://muradkarakas.gitbook.io/sodium_documentation/language-reference/css-themes.md).

# CSS Themes

In order to change the current theme, copy/paste the code block showed below into any control block element.

```
<select name="theme-selector">
    <option value="default">Sodium Default</option>
    <option value="ocean_blue">Sodium Blue</option>
    <option value="red">Sodium Red</option>
</select>
```

&#x20;Sodium developer can create custom theme. Just add a new `<option value="...">Sodium ....</option>` into "\<select>" list. Then, copy/paste your corresponding CSS file into the theme folder.