index.html

<!doctype html>
<html lang="en">
  <head>
    <meta charset="utf-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <title>My form exercise</title>
    <meta name="description" content="" />
    <meta name="viewport" content="width=device-width, initial-scale=1" />
  </head>
  <body>
    <header>
      <h1>Product Pick</h1>
    </header>
    <main>
      <form>
        <!-- Name: required, at least 2 non-space characters-->
        <label for="Your-name">What is your name</label>
        <input type="text" id="Your-name" pattern=".*\S.*\S.*" required />
        <!-- Email: a valid email address-->
        <label for="Email">Your email address</label>
        <input type="email" id="Email" required />
        <!-- Colour Any one from three options available-->
        <fieldset>
          <legend>Choose any one colour of your shirt</legend>
          <input type="radio" name="colour" id="Red" value="Red" required />
          <label for="Red">Red</label>
          <input type="radio" name="colour" id="Green" value="Green" required />
          <label for="Green">Green</label>
          <input type="radio" name="colour" id="Blue" value="Blue" required />
          <label for="Blue">Blue</label>
        </fieldset>
        <!-- Size 6 options: XS, S, M, L, XL, XXL-->
        <label for="size">What size do you need?</label>
        <select id="size" required>
          <option value="">-- Select a size --</option>
          <option value="XS">XS</option>
          <option value="S">S</option>
          <option value="M">M</option>
          <option value="L">L</option>
          <option value="XL">XL</option>
          <option value="XXL">XXL</option>
        </select>
        <button type="submit">Submit</button>
      </form>
    </main>
    <footer>
      <p>By Alan Mak</p>
    </footer>
  </body>
</html>