.exam {  font-size: 12px; margin-bottom: 10px}
body {  margin-top: 5px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px}
td {  font-size: 16px}
p {  font-size: 16px; width: 550px}
.ditail {  font-size: 12px}
.tit {  font-size: 18px; font-weight: bold}
.contents {  padding-left: 10px}