.cta-button {
    z-index: 9999;
    cursor: pointer;
    background: #007bff;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cta-button img {
    max-width: 100%;
    max-height: 100%;
}

.cta-box {
    display: none;
    z-index: 9998;
}

@media (max-width: 767px) {
    .cta-box {
        width: 90%;
        max-width: 300px;
    }
}