.phone-login-black {
    display: inline-block;
    background-color: #000;
    color: #fff !important;
    padding: 12px 24px;
    border-radius: 4px;
    font-weight: 600;
    text-decoration: none;
    border: none;
    transition: background-color 0.3s ease;
}
.phone-login-black:hover {
    background-color: #444;
    color: #fff !important;
}