.contributor-block a:hover {
    color: #fff !important;
}

.modal {
    position: fixed;
    z-index: 9999;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0;
    visibility: hidden;
    width: 100%;
    height: 100%;
    overflow: scroll;
    background: rgba(0, 0, 0, 0.5);
}

.modal.is-visible {
    opacity: 1;
    visibility: visible;
}

.modal-overlay {
    position: fixed;
    z-index: 99;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    background: transparent;
    visibility: hidden;
    opacity: 0;
}

.modal.is-visible .modal-overlay {
    opacity: 1;
    visibility: visible;
    transition: visibility .2s linear, opacity .2s linear;
}

.modal-wrapper {
    position: absolute;
    z-index: 9999;
    top: 50px;
    left: 0;
    right: 0;
    margin: auto;
    width: 550px;
    max-width: 95%;
    background-color: #fff;
    box-shadow: 0 0 1.5em rgba(0, 0, 0, 0.35);
    transform: translate(-50%, -50%);
}

.modal-transition {
    transform: translateY(-10%);
    opacity: 0;
}

.modal.is-visible .modal-transition {
    transform: translateY(0);
    opacity: 1;
    transition: all .3s linear;
}

.modal-close {
    position: absolute;
    top: 0;
    right: 0;
    padding: 20px;
    color: #fff;
    z-index: 99;
    font-size: 19px;
}

.modal-close:hover{
   color:#fff !important; 
}

.form-section {
    max-width: 510px;
    margin: 50px auto;
    padding: 0 10px;
}

.form-section iframe {
    width: 100%;
    height: 680px;
}