iframe {
  border: none;
  width: 720px;
  height: 1080px;
}

.product-wrapper {
  width: 1080px;
  padding-left: 50%;
  margin-left: -540px;
  padding-top: 120px;
}

.product-nav {
  float: left;
  width: 300px;
}

.product-nav-hl {
  width: 240px;
  height: 2px;
  background-color: #444;
  margin: 12px 0;
}

.product-nav-list h2 {
  font-size: 23px;
  font-weight: normal;
}

.product-nav-list p {
  font-size: 20px;
  color: #aaa;
  cursor: pointer;
  border-bottom: 1px solid #666;
  width: 144px;
  padding: 18px 24px;
}

.product-nav-list p.current {
  color: #333;
}

.product-nav-list p:last-child {
  border-bottom: none;
}

.product-frame {
  float: left;
  width: 720px;
  height: 1080px;
  padding-bottom: 120px;
}