body {;
  background-color: darkblue;
  color: red;
  font-family: "Chelsea Market", system-ui;
  font-weight: 400;
  font-style: normal;
  font-size: 50px;
  padding-top: 30px;
  padding-left: 60px;
  padding-right: 60px;
  z-index: -2 /* 3 */
}

moon {
  z-index: -1;
}