.lesson {
    width: 200px;
    height: 100px;
  }
  /* Uses hex code to define color */
  .section-blue {
    color: #ffa500;
    background-color: #0000FF;
  }
   
  /* Uses predefined colors */
  .container {
    color: white;
    background-color: black;
  }
  
  /* Purple and yellow are example of high contrast colors */
  #section-1 {
    color: #ffff00;
    background-color: #800080;
  }
  
  #section-6 {
    color: #ffff00;
  }