.mv-back img {
  width: 100%;
  position: relative;
}
.mv-back {
  position: relative;
}
.mv {
  position: relative;
}
.ctabtn-head img {
  position: absolute;
  z-index: 1;
  width: 42%;
  right: 2%;
  top: 1.5%;
}
.ctabtn-head img:hover,
.ctabtn-mv img:hover {
  opacity: 0.5;
  transition: 0.5s;
}
.ctabtn-mv img {
  position: absolute;
  z-index: 1;
  bottom: 2%;
}
.ctabtn {
  padding: 2.4rem;
}