.messenger-buttons .max-btn {
    position: static;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: #315bff;
    color: #fff;
    box-shadow: 0 8px 22px rgba(49, 91, 255, .28);
    font: 800 13px/1 Arial, sans-serif;
    letter-spacing: -.07em;
    text-decoration: none;
    transition: transform .2s ease, box-shadow .2s ease;
}

@media (max-width: 768px) {
    .messenger-buttons .max-btn {
        width: 54px;
        height: 54px;
    }
}

.messenger-buttons .max-btn:hover,
.messenger-buttons .max-btn:focus-visible {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(49, 91, 255, .4);
}

.messenger-buttons .max-btn:focus-visible {
    outline: 3px solid #fff;
    outline-offset: 3px;
}