Main Page "feature boxes" fail accessibility on dark mode using Chrome.

[rowan-austin]

Describe the bug
On the main homepage https://powerstack.dev/ the "feature boxes" have a very light colour text when compared to the background, this is occurring on Chrome using dark mode.

To Reproduce
Steps to reproduce the behavior:

1. Go to the homepage
2. Switch Chrome to be dark mode
3. Observe boxes

Expected behavior
The boxes' text passes accessibility.

Desktop (please complete the following information):

• OS: MacOS Monterey 12.4
• Browser: Chrome
• Version: 105.0.5195.102