.book-content l.t { text-indent: 1em; : margin-top; margin-bottom: 0; }
.book-content p.t { text-indent: 1em; : margin-top; margin-bottom: 0; }
.book-content h4 { text-align: center; }
.book-content h1 { text-align: center; }
.book-content h2 { text-align: center; }
.book-content h3 { text-align: center; }
.book-content h5 { text-align: center; }