> For the complete documentation index, see [llms.txt](https://docs.flashsearch.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.flashsearch.io/layout/customization/edit-code.md).

# Edit code

To edit code of Flash Search app in your theme, please go to **Action -> Edit code**.

![](/files/W5wdJT66NbHGHfmBo3TK)

Here you can custom **Javascript** or **CSS**. But make sure you know the code to be able to customize them :)

For example, I want to **center** the **product title, price** on the Collection page. It looks like this now:

![](/files/wb9CgI8TKs9B32fNwQAZ)

I will add some css code to Flash Search app like this:

![](/files/pWfJNBT84BebUsQXuNrU)

*Result:*

![](/files/xnUxlTcd5GpEULqL5ZLu)