.book-content .h1 { font-size: x-large; font-weight: bold; text-transform: uppercase; text-align: center; margin-top: 1ex; margin-bottom: 1ex; }
.book-content .h2 { font-size: large; font-weight: bold; text-transform: uppercase; text-align: center; margin-top: 1ex; margin-bottom: 1ex; }
.book-content .h3 { font-size: medium; font-weight: bold; text-transform: uppercase; text-align: center; margin-top: 1ex; margin-bottom: 1ex; }
.book-content .h4 { font-weight: bold; text-transform: uppercase; text-align: center; margin-top: 1ex; margin-bottom: 1ex; }
.book-content .h5 { text-indent: 0em; text-transform: uppercase; text-align: center; }
.book-content .h6 { text-indent: 0em; text-transform: uppercase; }