Tweet links font in "Latest tweets" section's color and size are mismatched

[IndiraBiswas]

The font, size, and color of tweet links font in the "Latest tweets" section's mismatched on https://qa.rtcamp.net/

Expected Behavior:

Tweet links font should be Arial Regular
Size 13px
Line height 20px
color 333333

Actual Behavior:

Font is sans-serif
Size 13px
Line height 1.5px
color 404040
Browser: I tested this on Chrome

Additional Information:

I've attached a screenshot
https://prnt.sc/X-0xOsefBQAW