div.intro_box {
  background-color: #FFFFFF;
  border: 1px solid #CCCCCC;
  margin: 5px;
  padding: 5px;
  width: 453px;
}

div.content > div.intro_box {
  width: 458px;
}

div.intro_box:hover {
  background-color: #FFFFAA;
}

div.intro_box img {
  display: block;
  float: left;
  height: 48px;
  margin-right: 10px;
  width: 48px;
}

div.intro_box a {
  font-size: 14px;
  line-height: 1.5em;
}