.starfield-container {
  position: fixed; 
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  overflow: hidden;
}
#space {
  display: block;
  width: 100%;
  height: 100%;
  background: black;
}
.page {
  position: relative;
  z-index: 1;
}