body {
    margin-left: 10%;
    margin-right: 10%
    }
h1, h2, h3, h4 {
    text-align: center;
    clear: both
    }
p {
    margin-top: 0.75em;
    text-align: left;
    margin-bottom: 0.75em
    }
.p4 {
    margin-top: 4em
    }
p.right {
    text-align: right;
    margin-right: 10%
    }
p.author {
    text-align: right;
    margin-right: 20%
    }
hr.tb {
    width: 45%
    }
hr.r45 {
    width: 45%;
    margin-top: 2em;
    margin-bottom: 4em
    }
.pagenum {
    visibility: hidden;
    font-size: smaller;
    text-align: right
    }