body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-image: url("https://static.wixstatic.com/media/d8bc01_ed685942666f4c76bf65bb5872c89f5f~mv2.jpg");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: -1;
}