body {
    margin: 0;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgb(14, 14, 14);
}

img {
    display: block;
    margin: auto;
    background-color: hsla(0, 0%, 90%, 0);
    transition: background-color 300ms;
}