> 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 

![](/files/wmzV4qko6KCZdBcoCnEz)

#### Advanced 

Where to set:

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

![](/files/XxcuYt0eZEZrvnQJ0XzH)

#### Light Gallery 

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

![](/files/CUgcclOmBONoGE5F30Pf)

* 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)