.books {  }
h1 {  font-family: Arial, Helvetica, sans-serif; font-size: 16px; font-style: normal; font-weight: bolder}
h2 {  font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 10px; font-style: normal}
h3 {  font-family: Arial, Helvetica, sans-serif; font-size: 10px; font-style: normal}
p {  font-family: Arial, Helvetica, sans-serif; font-size: 12px; text-align: justify; text-indent: 15px}
h4 {  font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 12px; font-style: normal}
pre {  font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 10px}