body {
    background-color: #000;
  display: grid;
  justify-content: center;
  height: 100vh;
  align-content: center;
  background-color: #000000; /* The tint color */
  background-image: linear-gradient(rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.8)), url('images/meteors.jpg');
  background-repeat: no-repeat;
  background-position: center;
}