.rb-contact-modal {
    display: none; /* Hidden by default */
    position: fixed; /* Stay in place */
    z-index: 1; /* Sit on top */
    left: 0;
    top: 0;
    width: 100%; /* Full width */
    height: 100%; /* Full height */
    overflow: auto; /* Enable scroll if needed */
    background-color: rgb(0, 0, 0); /* Fallback color */
    background-color: rgba(0, 0, 0, 0.4); /* Black w/ opacity */
}

/* Modal Content/Box */
.rb-contact-modal-content {
    background-color: #000;
    margin: 3% auto;
    padding: 40px 20px 20px 20px;
    border: 1px solid #888;
    width: 35%;
    position: relative;
}

/* The Close Button */
.rb-contact-close {
    color: #aaaaaa!important;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    z-index: 1000;
    position: absolute;
    right: 20px;
    top: 0px;
    border: none;
    background-color: transparent;
    text-shadow: none;
    box-shadow: none;
}

.rb-contact-close:hover,
.rb-contact-close:focus {
    color: #aaaaaa!important;
    cursor: pointer;
}

@media screen and (max-width: 760px) {
    .rb-contact-modal-content {
        width: 90%;
        padding: 50px 10px 10px 10px;
        margin: 5% auto;
    }
    .rb-contact-close {
        top: 30px;
    }
}