.offerBtn {
  transition: all 0.3s;
}
.offerBtn:hover {
  transform: translateY(5%);
}
.offer01-1 {
  top: 54%;
  left: 4.5%;
  width: 55%;
}
.offer01-2 {
  top: 81%;
  left: 9%;
  width: 82.6%;
  -webkit-mask: url("../images/offer-btn.gif") no-repeat center center;
  mask: url("../images/offer-btn.gif") no-repeat center center;
  mask: url("../images/offer-btn.gif") no-repeat center center;
  -webkit-mask-size: contain;
  mask-size: contain;
}
.offer02-1 {
  top: 50%;
  left: 4.5%;
  width: 47%;
}
.offer02-2 {
  top: 80%;
  left: 9%;
  width: 82.6%;
  -webkit-mask: url("../images/offer-btn.gif") no-repeat center center;
  mask: url("../images/offer-btn.gif") no-repeat center center;
  mask: url("../images/offer-btn.gif") no-repeat center center;
  -webkit-mask-size: contain;
  mask-size: contain;
}
.offer03-1 {
  top: 63%;
  left: 47.5%;
  width: 44.6%;
}
.offer05-1 {
  top: 41%;
  left: 14.05%;
  width: 71.9%;
}