Troubleshooting Client Area Homepage Panels Display
Symptom
After updating to WHMCS 8.5.0, client accounts with four or more services may see overlapping panels in the Client Area.
Solution
Apply the 8.5.1 Maintenance Release via Utilities > Update WHMCS.
Hotfix
A hotfix for WHMCS 8.5.0 corrects the deficiency and improves the display of the panel:
https://whmcs.community/files/file/177-core-17762-improve-display-of-client-area-homepage-panel/