html:after {
  content: "";
  background-image: url("../image/logo_wh.svg", "../image/logo_bl.svg", "../image/mv-001.webp", "../image/mv-002.webp", "../image/mv-003.webp", "../image/mv-004.webp", "../image/mv-001_smt.webp", "../image/mv-002_smt.webp", "../image/mv-003_smt.webp", "../image/mv-004_smt.webp", "../assets/image/mv-catch-001.svg", "../assets/image/mv-catch-002.svg");
}