#active-popup {
    background: rgb(0,0,0); /* The Fallback */
    background: rgba(0,0,0,0.7);
    position: absolute;
    width: 100%;
    height: 100% !important;
    top: 0;
    left: 0;
    z-index: 9999999;
    position: fixed;
}

#popup-container {
    position: fixed;
    width: 100%;
    margin: 15% auto 0;
    z-index: 99999999;
    display: none;
}

.modal-content-wrapper {
    max-width: 900px;
    padding: 20px;
    margin: 0 auto;
    position: relative;
    text-align: center;
}

.modal-content {
    padding: 32px;
    background: #FFFFFF;
    color: #000000;
    font-size: 17px;
    position: relative;
}

.modal-content h1 {
    color: #000000;
}

.modal-content a.button {
    padding: 12px 24px;
}

#popup-container a.close {
    position: absolute;
    top: -16px;
    right: -16px;
    height: 28px;
    width: 28px;
    line-height: 28px;
    z-index: 99;
    font-weight: bold;
    font-size: 17px;
    -webkit-border-radius: 28px;
    -moz-border-radius: 28px;
    border-radius: 28px;
    text-align: center;
    background: #000000;
    border: 4px solid #FFFFFF;
    cursor: pointer;
    color:#FFFFFF;
    -webkit-transition: background-color .4s linear;
    -moz-transition: background-color .4s linear;
    -o-transition: background-color .4s linear;
    transition: background-color .4s linear;
    -webkit-appearance: none;
}

#popup-container a:hover.close {
    background: #666666;
}