'button links' don't work in Firefox

[raboof]

The 'button links', i.e. on https://grpc.io/contribute, don't seem to work in Firefox (I'm on version 61.0.1)

[carl-mastrangelo]

@raboof I see some of the buttons are missing text, but the ones with text seem to work. Are you clicking directly on the text?

[raboof]

Yes - like VIEW GUIDELINES and BROWSE THIS SITE'S SOURCE CODE. I guess it could be related to the Vimium plugin I'm using - though I haven't seen such problems with it before. (interestingly I can click the link through Vimium, actually :) )