body{
  background-image: url('https://i.ibb.co/MRR6xTH/RM-page-header-background1.png');
  background-repeat:no-repeat;
  background-size: cover;
  color: gold;
  height: 100vh;
  width: 1000px;
  text-align: center;
  margin: auto;
  font-family: 'Rubik Dirt', cursive;
}

#startContainer{
  display: flex;
  flex-direction: column;
  margin: 0 auto;
  text-decoration: none;
}

iframe {
  margin: auto;
}

a {
  text-decoration: none;
  color: white;
  padding: 20px;
  font-size: 40px;
}

/* animation */
h1 {
    font-family: 'Amatic SC', cursive;
    animation: pulsate 1.5s infinite alternate;
    color: #fff;
    font-size: 4.2rem;
  }

  /* Flickering animation */
  @keyframes pulsate {
    100% {
      text-shadow:
        0 0 4px #fff,
        0 0 11px #fff,
        0 0 19px #fff,
        0 0 40px #0fa,
        0 0 80px #0fa,
        0 0 90px #0fa,
        0 0 100px #0fa,
        0 0 150px #0fa;
    }

    0% {
      text-shadow:
        0 0 2px #fff,
        0 0 4px #fff,
        0 0 6px #fff,
        0 0 10px #0fa,
        0 0 45px #0fa,
        0 0 55px #0fa,
        0 0 70px #0fa,
        0 0 80px #0fa;
    }
  }