.payment-solution__link::before {
    position: absolute;
    content: "";
    width: 100%;
    height: 100%;
    background-color: #104042;
    border-radius: 8px;
    top: 3px;
    left: 3px;
    z-index: -1;
    transition: .4s;
}
.payment-solution__link:hover {
    &::before {
    position: absolute;
    content: "";
    width: 100%;
    height: 100%;
    background-color: #104042;
    border-radius: 8px;
    top: -3px;
    left: -3px;
    z-index: -1;
    }
}