body {
    margin: 10px;
    padding-top: 10px;
    font-family: "Verdana", sans-serif;
    font-size: 10pt;
}
body.center {
    text-align: center;
}

img.large {
    max-width: 80%;
    height: auto;
    width: auto;
}

img.large:hover {
    opacity: 0.7;
}