JSFiddle - React, Tailwind, and code Playground

by Wesley Smith

HTML

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.0/jquery.min.js"></script>
<div class="main-content">

  <form class="form-register" method="post" action="#">

    <div class="form-register-with-email">

      <div class="form-white-background">

        <div class="form-title-row">
          <h1>Create an account</h1>
        </div>

        <div class="form-row">
          <label>
            <span>Register As</span>
            <select name="dropdown" id="dropdown">
              <option>Select One</option>
              <option>User</option>
              <option value="designer">Designer</option>
            </select>
          </label>
        </div>

        <div class="form-row">
          <label><span>Gender</span></label>
          <div class="form-radio-buttons">

            <div>
              <label>
                <input type="radio" name="radio">
                <span>Male</span>
              </label>
            </div>

            <div>
              <label>
                <input type="radio" name="radio">
                <span>Female</span>
              </label>
            </div>

          </div>
        </div>

        <div class="form-row">
          <label>
            <span>First Name</span>
            <input type="text" name="firstname">
          </label>
        </div>

        <div class="form-row">
          <label>
            <span>Last Name</span>
            <input type="text" name="lastname">
          </label>
        </div>

        <div class="form-row" id="design1">
          <label>
            <span>Designer 1</span>
            <input type="text" name="name">
          </label>
        </div>

        <div class="form-row" id="design2">
          <label>
            <span>Designer 2</span>
            <input type="text" name="name">
          </label>
        </div>

        <div class="form-row">
          <label>
            <span>Email</span>
            <input type="email" name="email">
         ...

CSS

html {
  background-color: #f3f3f3;
}

.form-register {
  max-width: 1000px;
  width: 100%;
  margin: 0 auto;
  font: bold 14px sans-serif;
  text-align: center;
}

.form-register-with-email {
  position: relative;
  display: inline-block;
  vertical-align: top;
  margin-right: 130px;
  text-align: center;
}

.form-register-with-email .form-white-background {
  width: 570px;
  box-sizing: border-box;
  background-color: #ffffff;
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
  padding: 60px 80px;
  margin-bottom: 35px;
}

.form-register-with-email .form-row {
  text-align: left;
  margin-bottom: 23px;
}

.form-register-with-email .form-title-row {
  text-align: center;
  margin-bottom: 50px;
}

.form-register-with-email h1 {
  display: inline-block;
  box-sizing: border-box;
  color: #4c565e;
  font-size: 24px;
  padding: 0 20px 15px;
  border-bottom: 2px solid #6caee0;
  margin: 0;
}

.form-register-with-email .form-row > label span {
  display: inline-block;
  box-sizing: border-box;
  color: #5f5f5f;
  width: 125px;
  text-align: right;
  padding-right: 25px;
}

.form-register-with-email input {
  color: #5f5f5f;
  box-sizing: border-box;
  width: 230px;
  box-shadow: 1px 2px 4px 0 rgba(0, 0, 0, 0.08);
  padding: 12px 18px;
  border: 1px solid #dbdbdb;
}

.form-register-with-email .form-checkbox input {
  margin-left: 128px;
  margin-right: 10px;
  width: auto;
  vertical-align: top;
}

.form-register-with-email .form-row .form-checkbox span {
  font-size: 12px;
  font-weight: normal;
  display: inline-block;
  text-align: left;
  width: 220px;
  margin: 0;
}

.form-register-with-email .form-checkbox span a {
  text-decoration: none;
  color: #6caee0;
}


/* Radio */

.form-register-with-email input[type=radio] {
  box-shadow: none;
  width: auto;
}

.form-register-with-email .form-radio-buttons {
  display: inline-block;
  vertical-align: top;
}

.form-register-with-email .form-radio-buttons > div {
  margin-top: 10px;
}

.form-register-with-email...

JavaScript

$(document).ready(function() {

  $("#design1").hide();

  $("#design2").hide();

  $(".form-sign-in-with-social").show();

  $("#dropdown").change(function() {

    if ($("#dropdown").val() == "designer") {
      $('.main-content').addClass('design'); // add this line
      $("#design1").show();
      $("#design2").show();
      $(".form-sign-in-with-social").hide();
    } else {
      $('.main-content').removeClass('design'); // add this line
      $("#design1").hide();
      $("#design2").hide();
      $(".form-sign-in-with-social").show();
    }
  });

  if ($("#dropdown").val() == "designer") {

    $("#design1").show();

    $("#design2").show();

    $(".form-sign-in-with-social").hide();

  }

  $("#design1").change(function() {

    var val = $("#design1").val();

    $("#design2").append(val + "\n");

  });

});