Facing problem in lesson 11 in creating div main class


i am facing problem in creating div class main. its showing some error.
my code is below need help to fix it.

  <div class="container">
  <div class="nav">
    <li>sign up</li>
    <li>search bikes</li>
    <li>reserve a bike</li>
    <li>about us</li>
  <div class="main">
  <h1>Ollie Bike Sharing</h1>
    <h3>share your pedals with world</h3>
  <p> Bangalore city of joy.The weather is awsome and 
    mostly chilled. its feel awsome here.
    here is a <a href="cities.html">list</a> of  cities where you can find us 
  <video width="320" height="240" controls>
    <source src="https://s3.amazonaws.com/codecademy-content/projects/make-a-website/lesson-1/ollie.mp4" type="video/mp4">


help me to find where is the error.


You have your container div before your body tags


thanks i just noticed now.