> For the complete documentation index, see [llms.txt](https://insights.gitbook.io/ecomm-doc/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://insights.gitbook.io/ecomm-doc/customize/advanced.md).

# Advanced

### Themes > Customize > Advanced 

There are advanced and light gallery 

![](https://608086965-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FbNHVBFZEJBSIlJZSYaIQ%2Fuploads%2FrwAqGUgTbfyeE5dm6Byz%2Fimage.png?alt=media\&token=58d3762c-e20c-4da7-a830-89b20bb21760)

#### Advanced 

Where to set:

* Smooth scroll 
* Go to top button 
* Retina display 
* Google Api Key 

![](https://608086965-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FbNHVBFZEJBSIlJZSYaIQ%2Fuploads%2Fb9QswQD4B9OufiraEjX9%2Fimage.png?alt=media\&token=decf369c-5388-4a86-8d7f-b41ac75fce61)

#### Light Gallery 

pecially for images/videos on product page when you click on them. For example: 

![](https://608086965-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FbNHVBFZEJBSIlJZSYaIQ%2Fuploads%2FSrxDFtxfOKxyT2SZXjcc%2Fimage.png?alt=media\&token=17a491a1-b8eb-43a4-afad-a4e258e323bb)

* Set background-color 
* Auto play (on/off) 
* Download button (on/off)
* Fullscreen buton (on/off)
* Share button (on/off)
* Zoom button (on/off) 
* Thumbnail gallery (on/off)