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              <h1>I'm a box!</h1>
<h1>Me too!</h1>
<h1>Our styles are desktop-first with max-width.</h1>
<h1>We change at 800px!</h1>

<!-- For a long time, this has been the standard way to do things. Write a style for your desktop screen, then set a media query using max-width to create a new style once the screen gets smaller. This is a "desktop-first" approach. A "mobile first" approach uses min-width. Go to the companion pen to this one to learn about min-width here: https://codepen.io/schmeeves/pen/GqxbGy -->
  background: pink;
  width: 790px;

@media screen and (max-width:800px) {
 h1 {
   background: lightblue;
   width: 500px;

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