body,
html {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
}

* {
    box-sizing: border-box;
}

.image-container {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}