House our page within a Bootstrap Container Fluid Div. please help i am hooked here is my code

Tell us what’s happening:

Your code so far

<div class="container fluid">
  <h3 class="text-primary text-center">jQuery Playground</h3>

Your browser information:

Your Browser User Agent is: Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.181 Safari/537.36.

Link to the challenge:

The hyphen "-" . its container-fluid
container fluid