.calendly {
    background-color: #192c45;
    color: #fff !important;
    font-weight: 400;
    padding: 12px 20px;
    border: 1px solid #192c45;
    transition: all .3s ease-in-out;
}

.calendly:hover {
    background-color: #fff;
    color: #192c45 !important;
    transition: all .3s ease-in-out;
}