<form>

<h1>Payment form</h1>
<p>
  Required fields are followed by
  <strong><span aria-label="required">*</span></strong>.
</p>

<section>
  <h2>Contact information</h2>
  <fieldset>
    <legend>Title</legend>
    <ul>
      <li>
        <label for="title_1">
          <input type="radio" id="title_1" name="title" value="A" />
          Ace
        </label>
      </li>
      <li>
        <label for="title_2">
          <input type="radio" id="title_2" name="title" value="K" />
          King
        </label>
      </li>
      <li>
        <label for="title_3">
          <input type="radio" id="title_3" name="title" value="Q" />
          Queen
        </label>
      </li>
    </ul>
  </fieldset>
  <p>
    <label for="name">
      <span>Name: </span>
      <strong><span aria-label="required">*</span></strong>
    </label>
    <input type="text" id="name" name="username" required />
  </p>
  <p>
    <label for="mail">
      <span>Email: </span>
      <strong><span aria-label="required">*</span></strong>
    </label>
    <input type="email" id="mail" name="usermail" required />
  </p>
  <p>
    <label for="pwd">
      <span>Password: </span>
      <strong><span aria-label="required">*</span></strong>
    </label>
    <input type="password" id="pwd" name="password" required />
  </p>
</section>

<section>
  <h2>Payment information</h2>
  <p>
    <label for="card">
      <span>Card type:</span>
    </label>
    <select id="card" name="usercard">
      <option value="visa">Visa</option>
      <option value="mc">Mastercard</option>
      <option value="amex">American Express</option>
    </select>
  </p>
  <p>
    <label for="number">
      <span>Card number:</span>
      <strong><span aria-label="required">*</span></strong>
    </label>
    <input type="tel" id="number" name="cardnumber" required />
  </p>
  <p>
    <label for="expiration">
      <span>Expiration date:</span>
      <strong><span aria-label="required">*</span></strong>
    </label>
    <input
      type="text"
      id="expiration"
      name="expiration"
      required
      placeholder="MM/YY"
      pattern="^(0[1-9]|1[0-2])\/([0-9]{2})$" />
  </p>
</section>

<section>
  <p>
    <button type="submit">Validate the payment</button>
  </p>
</section>

</form>

h1 {
  margin-top: 0;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

form {
  margin: 0 auto;
  width: 400px;
  padding: 1em;
  border: 1px solid #ccc;
  border-radius: 1em;
}

div + div {
  margin-top: 1em;
}

label span {
  display: inline-block;
  text-align: right;
}

input,
textarea {
  font: 1em sans-serif;
  width: 250px;
  box-sizing: border-box;
  border: 1px solid #999;
}

input[type="checkbox"],
input[type="radio"] {
  width: auto;
  border: none;
}

input:focus,
textarea:focus {
  border-color: #000;
}

textarea {
  vertical-align: top;
  height: 5em;
  resize: vertical;
}

fieldset {
  width: 250px;
  box-sizing: border-box;
  border: 1px solid #999;
}

button {
  margin: 20px 0 0 0;
}

label {
  position: relative;
  display: inline-block;
}

p label {
  width: 100%;
}

label em {
  position: absolute;
  right: 5px;
  top: 20px;
}