* {
    box-sizing: border-box;
  }
  body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
  }
  .clear {
    clear: both;
  }
  h1 {
    text-align: center;
    padding: 50px 10px;
    color: white;
    background-color: rgb(192, 50, 50);
  }

  .instructions {
    max-width: 1280px;
    margin: 0 auto;
    padding: 20px;
    margin-bottom: 50px;
  }

  .wrapper{
    max-width: 1280px;
    margin: 0 auto;
    padding: 20px;
  }

  .colors > input {
    width: 50%;
    padding: 5px;
    border: none;
    font-size: 18px;
    margin: 0;
    float: left;
    color: white;
  }
  header, nav, main, aside, footer{
      text-align: center;
      color: white;
      font-size: 18px;
  }
  header{
    background-color: rgb(223, 114, 75);
    padding: 100px;  
  }
  nav {
    padding: 25px;
    background-color: rgb(47, 108, 136);
  }
  main {
    background-color: rgb(192, 70, 94);
    width: 100%;
    float: left;
    padding: 300px 0;
  }
  aside {
    width: 100%;
    background-color: rgb(53, 184, 155);
    float: left;
    padding: 300px 0;
  }
  footer {
    padding: 50px;
    background-color: rgb(39, 39, 39);
  }

  @media screen and (min-width: 720px) {
    .colors > input {
      padding: 20px;
      width: calc(100% / 3);
    }
  }
  
  @media screen and (min-width: 1024px) {
    .colors > input {
      width: 20%;
    }
    main {
        width: 70%;
      }
    aside {
        width: 30%;
      }
  }