body {
    margin-left: 20%;
    margin-right: 20%;
    text-align: justify
    }
p {
    text-indent: 1em;
    margin-top: 0.25em;
    margin-bottom: 0.25em
    }
h1, h2, h3, h4, h5 {
    text-align: center;
    font-style: normal;
    font-weight: normal;
    line-height: 1.5;
    margin-top: 0.5em;
    margin-bottom: 0.5em
    }
hr {
    width: 80%;
    margin-top: 2em;
    margin-bottom: 2em
    }
.toc {
    margin-left: 5%;
    margin-bottom: 0.75em
    }
.toc2 {
    margin-left: 5%
    }
div.fig {
    display: block;
    margin: 0 auto;
    text-align: center
    }