body {
  margin: 0;
  padding: 0;
}

.container-404 {
  background: url(/img/404_beach.jpg) no-repeat center center fixed;
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
  height: 75vh;
  margin-top: 100px;
  width: 100vw;
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: center;
  padding: 3rem;
}

.container-404 p {
  line-height: 1.6;
}

.hamburger {
  margin-right: 1rem;
}

h1 {
  color: #333;
  font-size: 2rem;
}