body {
  background: linear-gradient(to bottom, #05070d, #0a1a2f, #020409);
  color: #e0f2ff;
  font-family: "Orbitron", sans-serif;
  margin: 0;
  padding: 0;
}

body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(5, 10, 20, 0.75);
  z-index: -1;
}

    h1 {
      text-align: center;
      margin-top: 40px;
      font-size: 2em;
    }
    
    main {
      max-width: 800px;
      margin: auto;
      padding: 20px;
      text-align: center;
    }