You can see the banner in the circled place.

Please sign in Portal to process. Zii – Dashboard (ziicloud.com)
- Find a field named customize and click “update page banner”.

- Then upload your picture and click on “OK” to save.
Note: Max filesize: 1MiB.

- Choose a color for active category and category text. Click “save”.

Note: Image display height is 265px, and the visible width will depend on the display width.