...
Add this module to a page
Open the Page Builder on the page you want to edit. This can be:
The site’s homepage.
A Refined Page.
The landing page of a Jira project, Jira Service Management project, or Confluence Space.
Hover your mouse over the desired location on the page and click the + Add module button that appears.
Click Pages in the left-hand menu.
...
Simply click the module’s title to start writing and formatting. You can use text variables to make the text dynamic, for example to display the user’s first name.
...
By default, the module shows an image from the blog post (if available). You can also set a custom preview image (and text) instead. Images are shown in a 4:3 landscape (horizontal) format. We recommend using images that are at least 800x600 pixels.