body {
    font-family: Times, serif;
    margin-left: 10%;
    margin-right: 10%
    }
h1, h2, h3, h4, h5, h6 {
    text-align: center
    }
.bookdes {
    margin-left: 5%;
    margin-right: 5%;
    font-size: 0.8em
    }
.menu {
    font-size: 0.7em
    }
.chapmen {
    margin-left: 20%;
    margin-right: 20%;
    text-align: center;
    font-size: 0.7em
    }
.lsidenote {
    font-weight: bold;
    font-size: 0.8em
    }
.book {
    text-align: center;
    font-weight: bold;
    font-size: 1.3em
    }
.date {
    text-align: center;
    font-weight: bold
    }
.foots {
    font-size: 0.8em;
    margin-left: 10%;
    margin-right: 10%
    }