html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    overflow-y: hidden !important;
    overflow-x: hidden !important;
}

.div-placeholder{
    height: 100%;
    width: 100%;
}

.div-no-pages{
    padding: 20%;
    text-align: center;
}

.div-no-pages > h2{
    margin-top: 10px;
}

.div-placeholder > img {
    width: 100%;
    height: 100%;
}

.div-placeholder > iframe {
    width: 100%;
    height: 100%;
    border: none;
    /* width: 100%; */
    /* height: calc(100% - 25px); */
    overflow-y: hidden !important;
    overflow-x: hidden !important;
    margin: 0;
    padding: 0;
}