html, body {
    width: 100%;
    height: 100%;
    background-color: #000;
    color: #fff;
}
body {
    padding: 10px;
}
.outter_div {
    object-fit: cover; width: 100%; height: 100%;
    padding: 0;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}
.inner_div {
    background-color:  #000000;
    width: auto;
    height: auto;
    color: white;
    text-align: center;
}