body {
    margin-left: 20%;
    margin-right: 20%;
    text-align: justify
    }
p {
    text-indent: 1.5em;
    margin-top: 0;
    margin-bottom: 0
    }
p.first {
    text-indent: 0;
    margin-top: 0;
    margin-bottom: 0
    }
div.bq {
    margin-top: 1em;
    margin-bottom: 1em
    }
div.bq p {
    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
    }
h1 {
    font-size: 300%;
    margin-top: 0.6em;
    margin-bottom: 0.6em;
    letter-spacing: 0.12em;
    word-spacing: 0.2em;
    text-indent: 0
    }
h2 {
    font-size: 150%;
    margin-top: 2em;
    margin-bottom: 1em
    }
h3 {
    font-size: 130%;
    margin-top: 1em
    }
h4 {
    font-size: 120%
    }
h5 {
    font-size: 110%
    }
div.chapter {
    page-break-before: always;
    margin-top: 4em
    }
hr.pb {
    border: none;
    border-bottom: 1px solid silver
    }
hr.tb {
    border: none;
    margin-top: 1.5em
    }
div.figure {
    display: block;
    margin: 0 auto;
    text-align: center
    }
p.caption {
    margin: 1em auto;
    text-indent: 0;
    width: 70%
    }