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

html, body {
    width: 100%;
    height: 100%;
    background-color: #000;
    font-family: Arial, sans-serif;
}

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

.container img {
    max-width: 90%;
    max-height: 90%;
    height: auto;
}