please post your code, images are hard to work with.
From what i can see you have a colon after shift.css in your link href, remove it
As @stetim94 said, you need to remove the colon after
shift.css, and also you need to put a forward slash (/) before the end of the tag.
Hope that helps!
type="text/css" is no longer required in html5, so it is correct. You can still put it there, but it is not a must
Oh ok, didn't know that