> For the complete documentation index, see [llms.txt](https://docs.danielvoelk.de/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.danielvoelk.de/styling/where-to-add-custom-css.md).

# Where to add custom CSS?

Every Divi page has a custom CSS section in the settings.

1. Open a page with the Divi Builder
2. Go to Advanced settings as shown in the image below
3. Add CSS

![](/files/rrukvoll3Mx6NBvF4FQ5)

## CSS not working?

Try adding !important behind it.

```
.df-activebutton {
     filter: brightness(50%) !important;
}
```