Fixed Reaction names underlining on hover

[Tom]

Affected version

2.1

As per title, shown here on the 'Reactions received' page:

 

[Kier]

Oops, my bad

 

[XF Bug Bot]

Thank you for reporting this issue. The issue is now resolved.

Change log:

Made text-decoration rules more specific so that only linked `.reaction-text` underlines on :hover