> For the complete documentation index, see [llms.txt](https://mpithemes.gitbook.io/shella-shopify-theme/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://mpithemes.gitbook.io/shella-shopify-theme/collections/content/custom-html.md).

# Custom HTML

{% hint style="info" %}
**Collections -> Product grid -> Add block -> Custom HTML**
{% endhint %}

## **Section settings**

 You can give this block a **“Title”** and choose its **“Default state”**: open, close, fixed, or without a title.

## Content

&#x20;In the **“Page content”**, you can select the page, that should be displayed in the sidebar. If no page is selected, a default page “Include Collections Sidebar” will be displayed. How to add and edit a page you can read [<mark style="color:blue;">**here**</mark>](https://mpithemes.gitbook.io/shella-shopify-theme/get-started/how-to-add-and-edit-a-page).

Here is what this block looks like:

![](/files/zAjorh8uxyGBT9ETsrtQ)