body {
    width: 80%;
    max-width: 45em;
    margin: auto
    }
h1 {
    font-weight: normal;
    letter-spacing: 0.2em
    }
h2 {
    clear: both;
    text-align: center;
    line-height: 1.5;
    font-size: x-large;
    font-weight: normal;
    margin: 4em auto 1em auto
    }
h3 {
    text-align: center;
    line-height: 1.5;
    font-size: large;
    font-weight: normal;
    margin: 4em auto 1em auto
    }
p {
    text-align: justify;
    text-indent: 1.5em;
    margin: 0.5em auto
    }
.center {
    text-align: center;
    text-indent: 0
    }
.right {
    text-indent: 0;
    margin-left: 60%
    }
.no-indent {
    text-indent: 0
    }
.image-center {
    text-align: center;
    margin: 2em auto
    }
.skip2 {
    margin-top: 2em
    }
.skip3 {
    margin-top: 3em
    }
em {
    font-style: normal;
    letter-spacing: 0.2em;
    margin-right: -0.2em
    }
#em1 {
    text-indent: 4em
    }
#toc {
    margin: auto
    }
#toc th {
    text-align: right;
    font-size: smaller;
    font-weight: normal
    }
#toc th, #toc td {
    vertical-align: top
    }
#toc .bottom {
    vertical-align: bottom
    }
#toc td:nth-child(2) {
    white-space: nowrap
    }
.title-word {
    font-size: 4em;
    text-align: center
    }