html {
  background: -webkit-radial-gradient(center, ellipse, #63AFD0 0%, #000000 100%);
  background: radial-gradient(ellipse at center,#63AFD0 0%, #000000 100%);
  overflow: hidden;
}
html2 {
  background: -webkit-radial-gradient(center, ellipse, #ef0e39 0%, #000000 100%);
  background: radial-gradient(ellipse at center, #ef0e39 0%, #000000 100%);
  overflow: hidden;
}