body {
    background-image: url("img/atu-store.jpg");
    background-size: cover;
    height: 100vh;
    backdrop-filter: blur(5px);
    padding: 0;
    margin: 0;
}

.w-main {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    padding: 92px 92px 89px 92px;
    background-image: url(img/apple-ipad-pro11-space-gray-landscape.png);
    background-size: cover;
}
.w-main iframe {
    width: 1101px;
    height: 768px;
    border: 0;
    border-radius: 6px;
    background: #FFF;
}