body {
    margin-left: 10%;
    margin-right: 10%
    }
h1, h2, h3, h4, h5 {
    text-align: center;
    font-style: normal;
    font-weight: normal;
    line-height: 1.5;
    margin-top: 0.5em;
    margin-bottom: 0.5em
    }
.subtitle {
    font-size: 130%;
    margin-bottom: 1em
    }
.author {
    font-size: 120%;
    font-style: italic;
    margin-bottom: 1em
    }
.publish_info {
    font-size: 80%;
    font-style: italic;
    margin-bottom: 2em
    }
.header2 {
    font-size: 120%;
    font-weight: bold;
    margin: 1em 0
    }
.header3 {
    font-size: 110%;
    font-weight: bold;
    margin: 1em 0
    }
.header4 {
    font-size: 105%;
    font-weight: bold;
    font-style: italic;
    margin: 1em 0
    }
.header5 {
    font-size: 100%;
    font-weight: bold;
    text-align: center;
    margin: 1em 0
    }
.header6 {
    font-size: 100%;
    text-align: center;
    margin: 1em 0
    }
.header7 {
    font-size: 90%;
    font-style: italic;
    text-align: center;
    margin: 1em 0
    }
.poetry {
    white-space: pre;
    margin-left: 1.5em;
    margin-top: 0.5em;
    margin-bottom: 0.5em
    }
.text {
    white-space: pre
    }
.cell {
    padding-left: 0.5em;
    padding-right: 0.5em
    }
a:link {
    color: blue;
    text-decoration: none
    }
a:visited {
    color: blue;
    text-decoration: none
    }
a:hover {
    color: red
    }