I have the same message popping up with the same code as Jacksonian11. However I tried reseted the code and reseting my browser but the same message:
Oops, try again. Set the font-family of the h1 element inside div class="jumbotron">../div> to 'Shift', sans-serif;
keeps on coming up
Here are some of the common issues with this exercise:
If you are still stuck, please post:
<head> ... </head>
If you need it: How to post code in this forum.