6.html

<html>
  <link rel="stylesheet" href="style.css">
  <!--<div id="wrapper">
    <div id="messy"></div>
    <div id="clean"></div>
  </div>-->

  <input type="checkbox" id="check-messy" >
    <label for="check-messy">
      <div id="container">
        <div id="messy" class="crop">Click to clean!</div>
      </div>
    </label>
    <label for="check-messy">
      <div id="desk">
        <div id="clean" class="crop">Yay!</div>                 
      </div>
    </label>

  <div id="home">
    <div id="home-top"> System error
      <div id="close">
        <a href="index.html">x</a>
      </div>
    </div>
    <div id="home-body"> 
      <div class="home_outline"></div>
        Get back to work!<a href="index.html"><div id="home_button">To-Do<br>List</div></a>
    </div>
  </div>
  </html>