body {
  font-family: verdana, helvetica, arial, sans-serif;
  padding: 20px;
  font-size: 12px;
  margin: 0;
}
h2 {
  font-size: 18px;
  font-weight: bold;
  margin: 0;
  margin-bottom: 15px;
}
.demo-info {
  padding: 0 0 12px 0;
}
.demo-tip {
  display: none;
}
.label-top {
  display: block;
  height: 22px;
  line-height: 22px;
  vertical-align: middle;
}