body {
    background: white;
    margin-left: 10%;
    margin-right: 10%
    }
h1 {
    text-align: center;
    margin-top: 4em
    }
h2 {
    text-align: center;
    margin-top: 4em
    }
h3 {
    text-align: center;
    font-size: medium
    }
p.indent {
    text-indent: 3mm;
    text-align: justify
    }
p.center {
    text-align: center
    }
p.right {
    text-align: right
    }
p.creds {
    text-align: center;
    font-size: small;
    margin-left: 10%;
    margin-right: 10%
    }
p.footnote {
    text-align: justify;
    font-size: small
    }
p.author {
    text-align: center;
    font-size: larger
    }
p.subtitle {
    text-align: center;
    font-size: large
    }
p.bigtitle {
    text-align: center;
    font-size: x-large;
    margin-top: 4em
    }
p.index {
    font-size: small
    }
p.index_ctr {
    text-align: center;
    font-size: small
    }
table.center {
    margin-left: auto;
    margin-right: auto
    }
table.collctr {
    margin-left: auto;
    margin-right: auto;
    border-collapse: collapse;
    margin-top: 1em
    }
th.btrb {
    border-top: solid black 1px;
    border-right: solid black 1px;
    border-bottom: solid black 1px
    }
th.btb {
    border-top: solid black 1px;
    border-bottom: solid black 1px
    }
th.brb {
    border-right: solid black 1px;
    border-bottom: solid black 1px
    }
th.bb {
    border-bottom: solid black 1px
    }
th.bl {
    border-left: solid black 1px
    }
th.br {
    border-right: solid black 1px
    }
td {
    vertical-align: top
    }
td.br {
    border-right: solid black 1px
    }
td.brb {
    border-right: solid black 1px;
    border-bottom: solid black 1px
    }
td.btb {
    border-top: solid black 1px;
    border-bottom: solid black 1px
    }
td.bb {
    border-bottom: solid black 1px
    }
td.center {
    text-align: center
    }
td.center_br {
    text-align: center;
    border-right: solid black 1px
    }
td.center_bb {
    text-align: center;
    border-bottom: solid black 1px
    }
td.center_brb {
    text-align: center;
    border-right: solid black 1px;
    border-bottom: solid black 1px
    }
td.right {
    text-align: right
    }
td.right_br {
    text-align: right;
    border-right: solid black 1px
    }
td.right_bl {
    border-left: solid black 1px
    }
td.right_bb {
    text-align: right;
    border-bottom: solid black 1px
    }
td.right_brb {
    text-align: right;
    border-right: solid black 1px;
    border-bottom: solid black 1px
    }
div.image {
    margin-left: auto;
    margin-right: auto;
    margin-top: 1em;
    margin-bottom: 1em;
    text-align: justify;
    font-size: smaller
    }
div.img_ctr {
    margin-left: auto;
    margin-right: auto;
    margin-top: 1em;
    margin-bottom: 1em;
    text-align: center;
    font-size: smaller
    }
span.smaller {
    font-size: smaller
    }
span.page {
    text-align: right;
    text-indent: 0;
    color: gray;
    background: white;
    font-weight: normal
    }