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                <div id="spread"></div>
  <h1>Hello JS!</h1>
  <img class="main-image" src="" alt="picnic" />
  <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nam lacinia rhoncus nulla, a finibus enim ornare eget. Integer ullamcorper dolor at massa accumsan gravida. Maecenas gravida iaculis orci eget lacinia. Maecenas molestie sem sapien, ut cursus felis aliquam sed. Vivamus non sapien mattis, ultricies nisi et, imperdiet dui. Ut lacinia, elit quis elementum laoreet, enim lectus molestie ipsum, eu blandit lectus purus at neque. Suspendisse tincidunt lorem et elit volutpat sodales. Maecenas iaculis fermentum eros a bibendum. In ullamcorper tincidunt tellus id suscipit. Cras a elit sem. Fusce vel diam lacus. Nulla iaculis risus at neque convallis molestie.</p>


                #spread {
  position: absolute;
  top: 0;
  width: 100%;
  height: 100vh;
  background: #000;

/* General styling */
main {
  max-width: 600px;
  text-align: center;
  margin: auto;
p {
  text-align: left;


                window.onload = function () {
      height: 0,
      opacity: 0.5
      fill: "forwards",
      duration: 1000,
      easing: "ease-in"