You are using Bootstrap 4.0.0. Not sure it’s the issue, but you might want to confirm that any classes you are using are still applicable in 4
see this wiki about the fCC exercises vs the Bootstrap default in CodePen:
You are using Bootstrap 4.0.0. Not sure it’s the issue, but you might want to confirm that any classes you are using are still applicable in 4
see this wiki about the fCC exercises vs the Bootstrap default in CodePen: