body {
    margin-left: 10%;
    margin-right: 10%
    }
body > p {
    text-indent: 0;
    margin-top: 0.75em;
    text-align: justify;
    font-size: 2em;
    margin-bottom: 0.75em
    }
h1 {
    text-align: center;
    font-size: 300%
    }
h2 {
    text-align: center;
    font-size: 250%
    }
hr {
    width: 33%
    }
pre {
    font-size: 1.5em
    }
.toc {
    font-size: 1.5em;
    margin-bottom: 0
    }
.toc p {
    text-align: center
    }
.sign {
    text-align: right
    }