* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    background-color: #181a1b;
}

html,
body {
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

img {
    display: block;
    max-width: 100%;
    height: auto;
}