body {
    margin-left: 7%;
    margin-right: 7%;
    max-width: 40em
    }
p {
    line-height: 1.33em
    }
h2 {
    margin-top: 2em
    }
h3 {
    margin-top: 1.5em
    }
hr {
    width: 40%
    }
ol.TOC {
    list-style-type: upper-roman;
    margin-right: 5%
    }