* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

#my_iframe {
      position: absolute;
      top: 0px;
      left: 0px;
      width: 100%;
      height: 100%;
      border: 0;
}

#preloader_div {
                    position: fixed;
                    width: 100%;
                    height: 100%;
                    background-image: url('Coming\ Soon\ Background.png');
                    background-repeat: no-repeat;
                    background-size: cover;
                    display: flex;
                    align-items: center;

                    z-index: 1001;
}

#loader {
              position: absolute;
              left: 50%;
              transform: translateX(-50%);
}