.offerBtn {
    transition: all .3s;
}

.offerBtn:hover {
    transform: translateY(5%);
}
.offer01-1,
.offer02-1,
.offer03-1,
.offer04-1{
    -webkit-mask: url("../images/thing20-1.png") no-repeat center center;
    mask: url("../images/thing20-1.png");
    mask: url("../images/thing20-1.webp") no-repeat center center;
    -webkit-mask-size: contain;
    mask-size: contain;
}
.offer01-1,
.offer02-1 {
    top: 68.5%;
    width: 100%;
}
.offer03-1 {
    top: 70.5%;
    width: 100%;
}
.offer04-1 {
    top: 65.5%;
    width: 100%;  
}