#btn {
    position: fixed;
    width: 60px;
    bottom: 60px;
    right: 0;
    opacity: 0.6;
}
#btn img {
    width: 100%;
}


.shopcar {
    position: fixed;
    width: 60px;
    bottom: 0;
    right: 0;
    opacity: 0.6;
}

.shopcar img {
    width: 100%;
}

.shopcar:hover {
    position: fixed;
    width: 60px;
    bottom: 0;
    right: 0;
    opacity: 1;
}

@media screen and (max-width: 1300px) {
    .shopcar {
        opacity: 0;
        z-index: 0;
    }
    #btn {
        opacity: 0;
        z-index: 0;
    }
}