Fixes styling on the dashboard counts

What does this MR do?

It fixes the font sizing by replacing a depricated class, and fixes the margin collapse on smaller screen sizes.

Screenshots

Before	After

Does this MR meet the acceptance criteria?

Conformity

• Changelog entry
• [-] Documentation (if required)
• Code review guidelines
• [-] Merge request performance guidelines
• Style guides
• [-] Database guides
• [-] Separation of EE specific content