body {
    background: white;
    color: black;
    margin-left: 10%;
    margin-right: 10%
    }
h1 {
    text-align: center;
    margin-top: 4em;
    color: black;
    background: white
    }
h2 {
    text-align: center;
    margin-top: 2em
    }
h3 {
    text-align: center;
    font-weight: normal;
    margin-top: 2em
    }
h4 {
    text-align: center;
    font-weight: normal
    }
p.indent {
    text-indent: 1em;
    text-align: justify
    }
p.subtitle {
    text-align: center;
    font-size: larger
    }
p.center {
    text-align: center
    }
p.author {
    text-align: center;
    font-size: larger
    }
p.footnote {
    font-size: smaller;
    text-align: justify
    }
td.bcenter {
    text-align: center;
    vertical-align: bottom
    }
td.right {
    text-align: right
    }
td.bracket {
    text-align: center;
    border-right: solid black thin
    }
hr {
    background: white;
    color: #000;
    width: 10%
    }
span.smaller {
    font-size: smaller
    }
hr.full {
    width: 100%;
    margin-top: 0;
    margin-bottom: 0;
    border: solid black
    }
pre {
    font-size: 80%
    }