.gpwebpay_overlay {
    background: #000;
    bottom: 0;
    /*display: block;*/
    left: 0;
    opacity: .7;
    position: fixed;
    right: 0;
    top: 0;
    z-index: 1000000;
    visibility: hidden;
}

.gpwebpay_container {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 1000001;
    overflow: auto;
    -webkit-overflow-scrolling: touch;
    visibility: hidden;
}

.gpwebpay_frame {
    width: 380px;
    height: 660px;
    margin-left: -190px;
    background: transparent;
    display: block;
    left: 50%;
    position: absolute;
    top: 5%;
    z-index: 10000001;
    border: 1px solid white;
    -webkit-box-sizing: content-box;
    -moz-box-sizing: content-box;
    box-sizing: content-box;
}

@media screen and (max-width: 499px) {
    .gpwebpay_frame {
        width: 100%;
        height: 100%;
        margin-left: 0%;
        top: 0%;
        left: 0%;
    }
}