body {
    margin-left: 15%;
    margin-right: 15%
    }
p {
    text-align: justify
    }
h1, h2, h3, h4, h5, h6 {
    text-align: center
    }
hr {
    text-align: center;
    width: 50%
    }
.ctr {
    text-align: center
    }
blockquote {
    text-align: justify
    }
.figcenter {
    padding: 1em;
    margin: 0;
    text-align: center;
    font-size: 0.8em
    }
.figcenter {
    margin: auto
    }
.figure img {
    border: none
    }
.figcenter p {
    margin: 0;
    text-indent: 1em
    }
table {
    margin: auto
    }
.toc {
    margin: 0 10%
    }
ol.RU {
    list-style-type: upper-roman
    }
a:link {
    color: blue;
    text-decoration: none
    }
link {
    color: blue;
    text-decoration: none
    }
a:visited {
    color: blue;
    text-decoration: none
    }
a:hover {
    color: red
    }