.social-footer__btn-callback {
    text-align: center;
    width: 260px;
}
.btn-callback {
    padding: 13px 10px 12px;
    max-width: 260px;
    border-radius: 124px;
    background: #2E59DE;
    width: 100%;
    border: none;
    color: var(--white);
    font-family: var(--inter);
    font-size: var(--s16);
    font-style: normal;
    font-weight: 700;
    line-height: 140%;
}
.btn-callback:hover {
    background-color: var(--blue);
}