body {
  margin: 0;
  padding: 0;
  font-family: sans-serif;
}

#splash {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('background.jpg') no-repeat center center;
  background-color: #000000;
  background-size: cover;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

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

#content {
  display: none;
}