.ist_stack_pane {
    width: 100%;
    height: 100%;
    overflow-y: auto;
    position: relative;
}

.ist_image_background {
    position: relative;
    max-width: 100%;
    max-height: 100%;
    top: 0px;
    left: 0px;
}

.ist_image {
    position: absolute;
    max-width: 100%;
    max-height: 100%;
    top: 0px;
    left: 0px;
}

.ist_slider {
    width: 100%;
    height: 100%;
    margin: 0px;
}