html {
  font-size: 18px;
}

body {
  border-bottom: 8px solid #222;
  font-family: 'Roboto', sans-serif;
  font-size: 1rem;
  line-height: 1.5;
  margin: 4px;
  padding: 20px;
}

.wrapper {
  margin: 0 auto;
  max-width: 800px;
}

section {
  margin-bottom: 64px;
}

section.text {
  max-width: 560px;
}

.header {
  align-items: top;
  display: flex;
  margin-bottom: 64px;
}

.header .logo {
  height: 128px;
  width: 200px;
}

.nav ul,
.nav li {
  display: block;
  margin: 0;
  padding: 0;
}

.nav.nav--header {
  display: none;
}

.nav.nav--footer li {
  margin-bottom: 24px;
}

#image {
  background-position: center center;
  background-repeat: no-repeat;
  background-size: cover;
  height: 0;
  position: relative;
  padding-top: calc(400 / 600 * 100%);
}

#image #canvas {
  position: absolute;
  display: block;
  width: 100%;
  height: 100%;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  mix-blend-mode: multiply;
}

h1, h2, h3, h4, h5 {
  font-family: 'Big Shoulders Display', cursive;
  line-height: 1;
}

a {
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

@media only screen and (min-width: 768px) {
  html {
    font-size: 16px;
  }

  body {
    padding: 80px;
  }

  .header .logo {
    height: 153px;
    width: 240px;
  }

  .footer {
    display: none;
  }

  .nav.nav--header {
    display: block;
    margin-left: auto;
  }
  
  .nav.nav--header li {
    display: inline;
  }

  .nav.nav--header li:not(:first-child) {
    margin-left: 32px;
  }

  #image {
    padding-top: calc(300 / 800 * 100%);
  }
}