BODY {
    background: #000;
    font-size: 1.0em;
    font-family: "Arial", sans-serif ;
    margin: 0; padding: 0;
    padding-top: 5px;
    color: white;
}
H1  {
    background-color: red;
    font-size: 2em;
}

img.kat {
    border:0;
    display:block;
    margin:auto;
    margin-top:100px
}