body {
  background-color: white;
}

.main_content {
  width: 700px;
  margin: 0 auto;
}

.title {
  font-size: 26px;
  font-weight: bold;
  border-bottom: 1px solid black;
}

.sechead {
  font-size: 20px;
  font-weight: bold;
}

.img_right {
  float: right;
  margin: 4px;
}

.caption {
  font-size: 10px;
  text-align: right;
}