body {
    margin-left: 10%;
    margin-right: 10%
    }
h1, h2, h3 {
    text-align: center;
    clear: both
    }
p {
    margin-top: 0.75em;
    text-align: justify;
    margin-bottom: 0.75em
    }
hr {
    margin-top: 2em;
    margin-bottom: 2em;
    margin-left: auto;
    margin-right: auto;
    clear: both
    }
hr.pct05 {
    width: 5%
    }
hr.pct45 {
    width: 45%
    }
hr.pct65 {
    width: 65%
    }
.center {
    text-align: center
    }
.figcenter {
    margin: auto;
    text-align: center
    }