@media only screen
  and (min-device-width: 320px)
  and (max-device-width: 736px)
  and (-webkit-min-device-pixel-ratio: 2) {

    .overlayDialog>.centerVertical {
        vertical-align: baseline;
    }

    .primary-header-content .content-header-image {
        display: block;
        width: 100%;
    }

    .primary-header-content .content-header-image img {
        width: 100%;
    }

    a#close-window {
        position: fixed;
        top: 20px;
        right: 10px;
    }
}