.book-content div.c4 { margin-left: 4em; }
.book-content div.c3 { margin-left: 2em; }
.book-content p.c2 { font-size: 80%; }
.book-content h1.c1 { text-align: center; }
.book-content h3.c1 { text-align: center; }
.book-content div.c1 { text-align: center; }
.book-content div.c5 { padding-top: 30px; font-size: medium; }
.book-content .f2 { font-size: x-small; }
.book-content .f4 { font-size: medium; }
.book-content .f5 { font-size: large; }
.book-content .f6 { font-size: x-large; }
.book-content .f7 { font-size: xx-large; }
.book-content div.c5 { font-family: times; }
.book-content .f2 { font-family: times; }
.book-content .f4 { font-family: times; }
.book-content .f5 { font-family: times; }
.book-content .f6 { font-family: times; }
.book-content .f7 { font-family: times; }