body {
    background: white;
    margin-left: 10%;
    margin-right: 10%
    }
p.indent {
    text-indent: 3mm;
    text-align: justify
    }
p.contents {
    text-align: justify;
    font-size: smaller
    }
p.footnote {
    font-size: smaller
    }
p.subtitle {
    text-align: center;
    font-size: large
    }
p.center {
    text-align: center
    }
h1 {
    text-align: center;
    margin-top: 2em
    }
h2 {
    text-align: center;
    margin-top: 4em
    }
div.image {
    text-align: center;
    font-size: smaller
    }