section {
  width: 1150px;
  height: 549px;
  margin: 50px auto;
  position: relative;
  left: 0;
  border-radius: 30px;
}
#main_img_bar {
  position: absolute;
  left: 0;
  top: 0;
  width: 350px;
  height: 549px;
  border-radius: 30px 0 0 30px;
  background: url(../img/family_login.jpg) no-repeat center center;
  background-size: 100%;
}

#main_content {
  width: 710px;
  position: absolute;
  right: 0;
  top: 25%;
}

#join_box {
  width: 600px;
}

#join_box h2 {
  font-size: 27px;
}

#join_box .col1 {
  float: left;
  width: 110px;
  margin-top: 2px;
}

#join_box .col2 {
  float: left;
  width: 400px;
  border-bottom: 1px solid #789789;
}
#join_box .col3 {
  float: left;
}
#join_box .form input {
  width: 390px;
  height: 22px;
}
#join_box .form {
  height: 38px;
  padding: 2px;
  line-height: 38px;
}
#join_box .id {
  margin-top: 20px;
}
#join_box input[name="email1"] {
  width: 100px;
}
#join_box input[name="email2"] {
  width: 275px;
}
#join_box .bottom_line {
  margin-top: 10px;
}
#join_box .buttons {
  text-align: right;
  margin: 20px 100px 0 0;
}