header {
  position: fixed;
  top: 40px;
  left: 40px;
}

body {
  font-family: Cooper Hewitt;
  font-size: 16px;
  line-height: 1.5;
  background-color: #004d9d;
  color: #ffffff;
}

h1 {
  font-size: 24px;
  font-weight: 700;
  
}

a:hover {
  border-bottom: 1px solid white;
}

section {
  height: 100vh;
  background-image: url(sally_1.jpg);
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

.image_2 {
  background-image: url(sally_2.jpg);
}

.image_3 {
  background-image: url(sally_3.jpg);
}

.image_4 {
  background-image: url(sally_4.jpg);
}

.image_5 {
  background-image: url(sally_5.jpg);
}

.image_6 {
  background-image: url(sally_6.jpg);
}

.image_7 {
  background-image: url(sally_7.jpg);
}

.image_8 {
  background-image: url(sally_8.jpg);
}

footer {
  position: fixed;
  bottom: 32px;
  left: 40px;
}

footer a {
  color: #ffffff;
  text-decoration: none;
  margin: 0 8px 0 0;
  transition: border-bottom 0.4s;
}

@media (max-width: 800px) {
  section {
    background-attachment: scroll;
    height: 60vw;
  }
}