body
{
    background-color: rgb(16, 16, 16);
    color: white;

    margin: 0;
    height: 100vh; /* Full height of the viewport */
    display: flex;
    justify-content: center; /* Horizontal center */
    align-items: center;     /* Vertical center */
}

img
{
    width: 300px;
    display: block;
    margin-left: auto;
    margin-right: auto;
}