body {
  background-color: #fff;
}
.con {
  background-color: #F9F7F8;
  width: 100%;
}
.con .center {
  padding-bottom: 2rem;
  background-color: #fff;
  margin: 0 auto;
}
.con .center h2 {
  font-size: 0.6rem;
  text-align: center;
  font-weight: normal;
  line-height: 3rem;
}
.con .center > div {
  width: 21.1rem;
  height: 3.125rem;
  margin: 1.5rem auto;
  box-shadow: 1px 2px 10px #ccc;
  text-align: center;
}
.con .center > div div {
  width: 15.925rem;
  height: 100%;
  float: left;
  padding: 0.5rem 0;
}
.con .center > div .join-ms {
  padding: 0;
  font-size: 0.6rem;
  color: #fff;
  position: relative;
  top: -0.6rem;
  width: 5.175rem;
  height: 3.375rem;
  line-height: 3.375rem;
  box-shadow: 1px 2px 10px #ccc;
}
.form {
  background-color: #F9F7F8;;
  width: 100%;
  height: 22rem;
}
iframe {
  width: 100%;
  height: 20rem;
}
iframe body{
  background-color: #fff;
}