.ks-popup-content-holder {
    background-color: #fff;
    border-radius: 5px;
    box-shadow: 0px 3px 6px rgba(0, 0, 0, 0.15), 0px 6px 12px rgba(0, 0, 0, 0.15);
    left: 50%;
    position: absolute;
    top: 50%;
    width: 260px;
    -webkit-transform: translate(-50%, -50%);
    -moz-transform: translate(-50%, -50%);
    -o-transform: translate(-50%, -50%);
    -ms-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
}

.ks-popup-content {
    padding: 25px 30px 15px;
    text-align: center;
}

.ks-popup-button {
    background-color: #0066cc;
    border-radius: 7px;
    color: #fff;
    cursor: pointer;
    display: block;
    font-size: 15px;
    font-weight: 600;
    height: 40px;
    line-height: 40px;
    text-align: center;
}

.ks-popup-button-cancel {
    margin-top:5px;
    background-color: #fff;
    border-radius: 7px;
    color: #0066cc;
    cursor: pointer;
    display: block;
    font-size: 15px;
    font-weight: 600;
    height: 40px;
    line-height: 40px;
    text-align: center;
}

.ks-popup-button-cancel:hover {
    background-color: rgba(191, 217, 242, 0.5);
}

.ks-popup-background {
    background-color: rgba(116, 123, 133, 0.75);
    bottom: 0;
    left: 0;
    position: absolute;
    right: 0;
    top: 0;
}

.ks-popup-holder {
    bottom: 0;
    left: 0;
    position: fixed;
    right: 0;
    top: 0;
    z-index: 99999;
}