Portfolio banner
Click on your name in the top right corner on Settings. Then choose the Portfolio banner option.
You can choose a standard banner image via the drop-down menu.
If you want your own image, you can do that via the
Choose custom image option. View the help article Uploading files if necessary.
Tip: At Choose your own image you can add royalty-free images as banner via Unsplash. Search by color or theme to find a suitable image
The chosen banner will now be visual in your portfolio on pages and work.