Describe the bug
When i set a Overlay Color, this will not work on my template.
To Reproduce
Steps to reproduce the behavior:
Set an overlay color in the blog layout Options. Save it and go to Website. The overlay color will not show.

See on site: https://pontonier.ch/cms1/de/test1
Expected behavior
When i hover the image, i will see an overlay color that i have config.
Screenshots
Configuration in Backend:

System Informations (please complete the following information):
- Joomla Version: 5.3.3
- PHP Version: 8.x
- Astroid Version: 3.3.4-rc1
- Device: Workstation
- OS: Win 11
- Browser: Chrome
Additional context
none