html {
    margin-left: 50%;
}

body {
    width: 700px;
    margin-left: -352px;
    border: 3px double #E5E5E5;
}

img {
    border-bottom: 3px double #E5E5E5;
}

h1 {
    margin-top: 10px;
    text-align: center;
    text-decoration: underline;
}

h2 {
    margin-left: 10px;
    margin-bottom: -20px;
}