h1, h2, h3 {
    margin: 2em 0 1em 0;
    page-break-before: always;
    text-align: center
    }
h4 {
    margin: 2em 0 1em 0;
    page-break-before: avoid;
    text-align: center
    }
body {
    margin: 0% 5% 0% 5%
    }
.nobreak {
    page-break-before: avoid
    }
p {
    margin: 0 0 0 0;
    text-align: justify;
    text-indent: 1em
    }
.center {
    margin: 0 0 0 0;
    text-align: center;
    text-indent: 0
    }
.noindent {
    text-indent: 0
    }
.spacer {
    margin: 0.5em 0 0.5em 0;
    text-align: center;
    text-indent: 0
    }
.toc_1 {
    font-variant: small-caps;
    margin: 0 0 0 2em;
    text-indent: -2em
    }
.toc_2 {
    margin: 0 0 0 5em;
    text-indent: -2em
    }
.right {
    text-align: right
    }
.sign2 {
    margin: 0 2em 0 0;
    text-align: right;
    text-indent: 0
    }
.chap_sub {
    font-size: 70%
    }
.sc {
    font-variant: small-caps
    }
.font80 {
    font-size: 80%
    }
.is {
    margin: 1em 0 0 0;
    text-indent: 0
    }
.i0 {
    margin: 0 0 0 2em;
    text-indent: -2em
    }
.i1 {
    margin: 0 0 0 3em;
    text-indent: -2em
    }
.i2 {
    margin: 0 0 0 4em;
    text-indent: -2em
    }
.i3 {
    margin: 0 0 0 5em;
    text-indent: -2em
    }
.i4 {
    margin: 0 0 0 6em;
    text-indent: -2em
    }
.mt1 {
    margin-top: 1em
    }
.mt2 {
    margin-top: 2em
    }
.mt3 {
    margin-top: 3em
    }
.mt4 {
    margin-top: 4em
    }
.mt6 {
    margin-top: 6em
    }
.mb1 {
    margin-bottom: 1em
    }
blockquote {
    margin: 1em 1em 1em 2em
    }
div.figure {
    text-align: center
    }
img {
    max-width: 90%
    }
.ph2 {
    font-size: x-large;
    margin: 0.75em auto;
    text-align: center;
    text-indent: 0;
    font-weight: bold
    }