body {
    margin-left: 10%;
    margin-right: 10%
    }
h1, h2, h3, h4, h5, h6 {
    text-align: center;
    clear: both
    }
p {
    text-indent: 0.25in;
    text-align: justify
    }
.p2 {
    margin-top: 2em
    }
.p4 {
    margin-top: 4em
    }
.p6 {
    margin-top: 6em
    }
hr.chap {
    color: black;
    width: 10%;
    margin-top: 2em;
    margin-bottom: 2em;
    margin-left: auto;
    margin-right: auto;
    clear: both
    }
hr.w10 {
    width: 10%;
    color: black;
    margin-top: 2em;
    margin-bottom: 2em;
    margin-left: auto;
    margin-right: auto;
    clear: both
    }
hr.w20 {
    width: 20%;
    color: black;
    margin-top: 2em;
    margin-bottom: 2em;
    margin-left: auto;
    margin-right: auto;
    clear: both
    }
hr.w33 {
    width: 33%;
    color: black;
    margin-top: 2em;
    margin-bottom: 2em;
    margin-left: auto;
    margin-right: auto;
    clear: both
    }
hr.tb {
    width: 45%
    }
hr.chap {
    width: 10%;
    color: black;
    margin-top: 3em;
    margin-bottom: 3em
    }
hr.full {
    width: 95%
    }
ul.index {
    list-style-type: none
    }
li.ifrst {
    margin-top: 1em
    }
li.indx {
    margin-top: 0.5em
    }
li.isub1 {
    text-indent: 1em
    }
li.isub2 {
    text-indent: 2em
    }
li.isub3 {
    text-indent: 3em
    }
.bb {
    border-bottom: solid 2px
    }
.bl {
    border-left: solid 2px
    }
.bt {
    border-top: solid 2px
    }
.br {
    border-right: solid 2px
    }
.bbox {
    border: solid 2px
    }
.center {
    text-align: center
    }
.right {
    text-align: right
    }
.sc {
    font-variant: small-caps
    }
.u {
    text-decoration: underline
    }