body {
  background-image: url('img.jpg');
  background-repeat: no-repeat;
  background-attachment: fixed;
  background-position: center;
  background-position-y: 10vh;
  background-size: 35vh;
  font-family: 'Courier New', monospace;
}

.container {
    display: flex;
    align-items: center;
    justify-content: center;
height: 95vh;
}