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text-align:center;
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#openbook-html .page-html hr{
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#openbook-html .page-html a{
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#openbook-html .page-html .toch{
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margin-top: 2em;
margin-bottom: 3.5em;
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#openbook-html .page-html .toc{
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text-align: left;
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#openbook-html .page-html .toc1{
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text-align: left;
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#openbook-html .page-html .toch1{
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text-align: center;
margin-top: 1em;
margin-bottom: 0.5em;
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#openbook-html .page-html .toc2{
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margin-bottom: 0em;
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text-align: left;
text-indent: -2.1em;
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#openbook-html .page-html .toc3{
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#openbook-html .page-html .chap{
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font-size:  1.75em ;
text-align: center;
margin-top: 2em;
margin-bottom: 4em;
}

#openbook-html .page-html .cn{
display: block;
font-size:  1.75em ;
text-align: center;
margin-top: 1em;
margin-bottom: 1em;
font-weight: bold;
}

#openbook-html .page-html .ct{
display: block;
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margin-top: 0em;
margin-bottom: 4em;
font-weight: bold;
}

#openbook-html .page-html .h1{
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margin-top: 1em;
margin-bottom: 0.5em;
}

#openbook-html .page-html .h2{
display: block;
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margin-bottom: 0.5em;
text-align: left;
text-indent: -0em;
font-size:  1em ;
}

#openbook-html .page-html .h3{
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text-align: center;
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margin-bottom: 1em;
font-weight: bold;
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}

#openbook-html .page-html .ser0{
display: block;
text-align: center;
margin-top: 0em;
margin-bottom: 0em;
}

#openbook-html .page-html .ser{
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text-align: center;
margin-top: 1em;
margin-bottom: 1em;
}

#openbook-html .page-html .sercov{
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margin-top: 0em;
margin-bottom: 0em;
text-align: center;
}

#openbook-html .page-html .txc{
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margin-bottom: 1em;
text-align: center;
font-size:  1em ;
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#openbook-html .page-html .txr{
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margin-bottom: 0em;
font-size:  1em ;
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text-align: right;
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#openbook-html .page-html .txr1{
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margin-bottom: 0em;
font-size:  1em ;
text-indent: 0em;
margin-left: 30%;
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#openbook-html .page-html .ic{
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font-size:  2em ;
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#openbook-html .page-html .small{
display: inline;
font-size:  0.75em ;
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#openbook-html .page-html .tx{
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margin-top: 0em;
margin-bottom: 0em;
}

#openbook-html .page-html .tx1{
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margin-top: 0em;
margin-bottom: 0em;
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#openbook-html .page-html .txt{
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margin-top: 2em;
margin-bottom: 0em;
}

#openbook-html .page-html .ttx{
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margin-top: 1em;
margin-bottom: 0em;
}

#openbook-html .page-html .ttx1{
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margin-top: 1em;
margin-bottom: 0em;
}

#openbook-html .page-html .ttx_b{
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margin-top: 0em;
margin-bottom: 1em;
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#openbook-html .page-html .ttx1_b{
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margin-top: 0em;
margin-bottom: 1em;
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#openbook-html .page-html .ttx_bb{
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margin-top: 1em;
margin-bottom: 1em;
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#openbook-html .page-html .ttx1_bb{
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margin-top: 1em;
margin-bottom: 1em;
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#openbook-html .page-html .ol{
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margin-bottom: 0em;
text-align: left;
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margin-left: 2.5em;
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#openbook-html .page-html .ol_top{
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text-align: left;
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margin-left: 5em;
margin-top: 1em;
margin-bottom: 0em;
}

#openbook-html .page-html .ol_bottom{
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margin-bottom: 1em;
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#openbook-html .page-html .ul0{
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margin-bottom: 0em;
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#openbook-html .page-html .ul1{
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margin-bottom: 0em;
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#openbook-html .page-html .ul{
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margin-bottom: 0em;
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#openbook-html .page-html .uli{
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margin-bottom: 0em;
}

#openbook-html .page-html .ul_top{
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margin-left: 3.5em;
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margin-bottom: 0em;
}

#openbook-html .page-html .ul_bottom{
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font-size:  1em ;
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margin-bottom: 1em;
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#openbook-html .page-html .hang{
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margin-bottom: 0em;
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text-align: left;
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#openbook-html .page-html .hang1{
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margin-bottom: 0em;
margin-left: 1.5em;
text-align: left;
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#openbook-html .page-html .hang2{
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margin-bottom: 0em;
margin-left: 2.5em;
text-align: left;
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margin-bottom: 0em;
margin-left: 1.3em;
text-align: left;
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}

#openbook-html .page-html .hg1{
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margin-top: 0em;
margin-bottom: 0em;
margin-left: 3.4em;
text-align: left;
text-indent: -1.9em;
}

#openbook-html .page-html .hg2{
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margin-top: 0em;
margin-bottom: 0em;
margin-left: 4.5em;
text-align: left;
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#openbook-html .page-html .hg3{
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margin-bottom: 0em;
margin-left: 5.9em;
text-align: left;
text-indent: -1.3em;
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#openbook-html .page-html .bkt{
display: block;
font-size:  1em ;
margin-top: 1em;
margin-bottom: 1em;
margin-left: 1em;
margin-right: 1em;
}

#openbook-html .page-html .bkt0{
display: block;
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margin-bottom: 0em;
margin-left: 1em;
margin-right: 1em;
}

#openbook-html .page-html .bx{
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margin-top: 1em;
margin-bottom: 1em;
text-align: center;
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#openbook-html .page-html .box{
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margin-top: 2em;
margin-bottom: 2em;
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padding: 1em;
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margin-top: 1em;
margin-bottom: 1em;
margin-left: 0.5em;
padding: 12pt;
border: 1px solid black;
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#openbook-html .page-html .box_bottom{
display: block;
font-size:  1em ;
text-align: center;
margin-top: 0em;
margin-bottom: 0.5em;
}

#openbook-html .page-html .footnote{
display: block;
margin-top: 0em;
margin-bottom: 0em;
margin-left: 0em;
text-indent: 1em;
font-size:  0.75em ;
}

#openbook-html .page-html .ref{
display: block;
margin-top: 0em;
margin-bottom: 0em;
margin-left: 0em;
text-indent: 0em;
font-size:  0.75em ;
}

#openbook-html .page-html .cap_fig{
display: block;
font-size:  1em ;
text-indent: 0em;
margin-top: 0em;
margin-bottom: 0em;
}

#openbook-html .page-html .cap_tab{
display: block;
font-size:  1em ;
text-indent: 0em;
margin-top: 0em;
margin-bottom: 1em;
}

#openbook-html .page-html .underline{
text-decoration: underline;
}

#openbook-html .page-html .u{
text-decoration: underline;
}

#openbook-html .page-html .break{
page-break-before: always;
}

#openbook-html .page-html .fn{
display: block;
font-size:  0.75em ;
text-indent: 1em;
margin-top: 0em;
margin-bottom: 0em;
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