if (d.style.backgroundPosition === "0vw 0vw") {
    d.style.backgroundPosition = "-11vw 0vw";
  } else if (d.style.backgroundPosition === "-11vw 0vw") {
    d.style.backgroundPosition = "-22vw 0vw";
  } else if (d.style.backgroundPosition === "-22vw 0vw") {
    d.style.backgroundPosition = "-33vw 0vw";
  } else if (d.style.backgroundPosition === "-33vw 0vw") {
    d.style.backgroundPosition = "-44vw 0vw";
  } else if (d.style.backgroundPosition === "-44vw 0vw") {
    d.style.backgroundPosition = "-55vw 0vw";
  } else {
    d.style.backgroundPosition = "-66vw 0vw";