.offerBtn {
    transition: all .3s;
}

.offerBtn:hover {
    opacity: 0.8;
    transform: translateY(5%);
}

.offerMiddle {
    width: 88.2%;
    left: 5%;
    bottom: 6%;
    -webkit-mask: url("../images/btn_01.png") no-repeat center center;
    mask: url("../images/btn_01.png") no-repeat center center;
    -webkit-mask-size: contain;
    mask-size: contain;
}

.offer01 {
    width: 88.2%;
    left: 5%;
    bottom: 26%;
    -webkit-mask: url("../images/btn_02.png") no-repeat center center;
    mask: url("../images/btn_02.png") no-repeat center center;
    -webkit-mask-size: contain;
    mask-size: contain;
}

.offer02 {
    width: 88.2%;
    left: 5%;
    bottom: 23%;
    -webkit-mask: url("../images/btn_03.png") no-repeat center center;
    mask: url("../images/btn_03.png") no-repeat center center;
    -webkit-mask-size: contain;
    mask-size: contain;
}

.offer03 {
    width: 88.2%;
    left: 5%;
    bottom: 24%;
    -webkit-mask: url("../images/btn_04.png") no-repeat center center;
    mask: url("../images/btn_04.png") no-repeat center center;
    -webkit-mask-size: contain;
    mask-size: contain;
}

.offer04 {
    width: 88.2%;
    left: 5%;
    bottom: 23%;
    -webkit-mask: url("../images/btn_05.png") no-repeat center center;
    mask: url("../images/btn_05.png") no-repeat center center;
    -webkit-mask-size: contain;
    mask-size: contain;
}

.offer05 {
    width: 88.2%;
    left: 5%;
    bottom: 28%;
    -webkit-mask: url("../images/btn_01.png") no-repeat center center;
    mask: url("../images/btn_01.png") no-repeat center center;
    -webkit-mask-size: contain;
    mask-size: contain;
}