I'm unable to login to Trailheads via LinkedIn today.  It was working fine as of yesterday, since this morning i'm unable to login so & i couldn't take my Trailheads due to that :(

Can someone help?  Not sure whether i'm the one facing this issue.

So maybe I'm missing something here, but I was working through the Create and Customize List Views section of the Lightning Experience Customization and the Challenge section is missing. I tried logging out, then back in and checked several browsers with no luck. Anyone else experience this problem. Here's a screenshot:

I'm unable to login to Trailheads via LinkedIn today.  It was working fine as of yesterday, since this morning i'm unable to login so & i couldn't take my Trailheads due to that :(

Can someone help?  Not sure whether i'm the one facing this issue.