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HTML 

              
                <script src="https://cdn.freecodecamp.org/testable-projects-fcc/v1/bundle.js"></script>

<body>
  <header id="header">
    <h1 id="title">Coronavirus survey</h1>
  </header>
  <div class="navbar">
    <div class="dropdown">
      <button class="dropbtn">Menu
      </button>
      <div class="dropdown-content">
        <a href="#header">Top</a>
        <a href="#contact-info-header">Name and email</a>
        <a href="#email">People</a>
        <a href="#no-problem">Symptoms</a>
        <a href="#nonexistent">Additional comments</a>
      </div>
    </div>
  </div>
  <main>

    <p id="description">How has the coronavirus/COVID-19 affected you?</p>
    <form id="survey-form">

      <fieldset id="contact-info">
        <p><span id="contact-info-header">Contact Info</span><br>
          <label id="name-label">Name*</label><br>
          <input type="text" id="name" class="text" placeholder="  First name" required /><input type="text" id="last-name" class="text" placeholder="  Last name" required />
        </p>
        <p>
          <label id="email-label">email*</label><br>
          <input type="email" id="email" class="text" placeholder="  email_address@example.com" required />
        </p>
      </fieldset>

      <p><label id="number-label">How many people do you personally know that have or had the
          coronavirus?*</label>
        <input type="number" min="0" max="1000" id="number" class="text" placeholder="  Number of people (from 0 - 1000)" required />
      </p>

      <p>Where were they from?
        <select type="dropdown" id="dropdown">
          <option value="Select">Select an area</option>
          <option value="Select">North America</option>
          <option value="Select">South America</option>
          <option value="Select">Europe</option>
          <option value="Select">Asia</option>
          <option value="Select">Africa</option>
        </select>
      </p>

      <p>How serious do you think this problem is?
        <label><input type="radio" name="seriousness" value="Extreme" />Extreme</label>
        <label><input type="radio" name="seriousness" value="Major" />Major</label>
        <label><input type="radio" name="seriousness" value="Moderate" />Moderate</label>
        <label><input type="radio" name="seriousness" value="Minor" />Minor</label>
        <label><input type="radio" name="seriousness" id="no-problem" value="Not_a_problem" />Not a problem</label>
      </p>
      <hr>

      <p>How bad were the symptoms?<br><u>Check all that apply</u>
        <label><input type="checkbox" value="Deadly" />Deadly</label>
        <label><input type="checkbox" value="Horribly_sick" />Horribly sick</label>
        <label><input type="checkbox" value="Sick" />Sick</label>
        <label><input type="checkbox" value="Minor_symptoms" />Minor symptoms</label>
        <label><input type="checkbox" value="Nonexistent" id="nonexistent" />Nonexistent</label>
      </p>
      <hr>
      <p><label id="comments-label">Additional comments (optional)</label>
        <textarea class="text" id="comments" placeholder=" Any other thoughts?"></textarea>
      </p>

      <p>* Required</p>

      <p><input type="submit" id="submit" /></p>

    </form>
  </main>
  <p id="empty"></p>

  <footer>Author: Doug Wallace, FCC/Github/CodePen: @broadsword-mo. Image: <i>"The Apothecary (The Chemist)"</i> circa
    1661. Oil painting by Gabriël Metsu (1629-1667).
  </footer>

</body>
!

CSS 

              
                /* Font and container, sizing and scaling updated (U) 4/21/2020 */
html {
/*  font-size: 10px; */
  /*Below is roughly similar to the 10px base font size, but fluidly scalable*/
  font-size: calc(8px + 0.3vw); /* U */
}

body {
  font-size: 2rem;
  text-align: center;
  font-family: Calibri, sans-serif;
  line-height: 1.5;
  color: yellow;
  background-image: url(https://upload.wikimedia.org/wikipedia/commons/3/30/Gabri%C3%ABl_Metsu_-_The_Apothecary_%28The_Chemist%29_-_WGA15077.jpg);
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

h1 {
  font-family: "Gill Sans", "Gill Sans MT", Calibri, "Trebuchet MS", sans-serif;
  line-height: 1;
  margin-bottom: 5rem;
  height: 2rem; /* U */
  text-shadow: 2px 3px 6px orange;
}

main {
  min-width: 225px;
  max-width: 50%;
  margin: auto;
  padding: 0 1.5rem;
  background-color: rgba(50, 50, 50, 0.8);
  border-style: ridge;
  border-width: 10px;
  border-radius: 7px;
  border-color: rgb(204, 191, 72);
}

form {
  text-align: left;
}

label {
  display: flex;
  align-items: center;
}

.navbar {
  height: 2em; /* U */
  border-radius: 3px;
  position: sticky;
  top: 0;
  margin-bottom: 1.5em;
  background-color: rgba(25, 25, 25, 0.9);
  box-shadow: 0px 4px 8px 2px rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(204, 191, 72, 0.4);
}

.dropdown {
  float: left;
}

.dropdown .dropbtn {
  border: none;
  outline: none;
  font-size: 2rem;
  color: white;
  padding: 0.9rem 1.6rem; /* U */
  background-color: inherit;
  margin: 0;
}

/*Gray background color for menu button on hover*/
.dropdown:hover .dropbtn {
  background-color: rgba(100, 100, 100, 0.8);
}

/*Hide dropdown menu by default*/
.dropdown-content {
  display: none;
  position: absolute;
  border-radius: 3px;
  background-color: rgba(175, 175, 175, 0.8);
  min-width: 20rem; /*optional*/ /* U */
  box-shadow: 0px 8px 16px 2px rgba(0, 0, 0, 0.4);
  z-index: 1;
}

/*Styling for dropdown links*/
.dropdown-content a {
  float: none;
  color: black;
  padding: 1.2rem 1.6rem; /* U */
  text-decoration: none;
  display: block;
  text-align: left;
}

/* Add a dark gray background color to dropdown links on hover */
.dropdown-content a:hover {
  color: white;
  background-color: rgba(25, 25, 25, 0.8);
}

/* Show the dropdown menu on hover */
.dropdown:hover .dropdown-content {
  display: block;
}

#description {
  font-size: 2.5rem;
}

#contact-info-header {
  display: block;
  margin: -1rem 0 -2.5rem 0;
  text-align: center;
  font-size: 3rem;
}

#contact-info {
  background-color: rgba(137, 207, 235, 0.7);
  padding: 0 1.5rem;
  border-style: ridge;
  border-radius: 5px;
  border-color: rgb(204, 191, 72);
}

#name-label,
#email-label {
  margin-bottom: -3rem; /* U */
}

#number-label,
#comments-label {
  margin-bottom: 0.3rem; /* U */
}

#submit {
  font-family: Candara, sans-serif;
  font-size: 2rem;
  text-align: center;
  width: 100%;
  padding: 1rem 0px; /* U */
  margin: 2rem 0px 1rem 0px; /* U */
}

.text,
select {
  height: 3rem;
  width: 100%;
  border-radius: 5px;
}

#comments {
  resize: none;
  min-height: 10rem; /* U */
  padding-right: 0;
}

#empty {
  padding-bottom: 20rem; /* U */
}

footer {
  font-size: 1.5rem; /* U */
  color: black;
  padding: 1em;
  background-color: rgba(175, 175, 175, 0.8);
  border-radius: 3px;
}
!

JS
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