<body>
  <main class="main">
    <aside class="aside">
      <h1>
        Sign up
      </h1>
    </aside>
    <section id="form">
      <h2>New User?</h2>
      <p>Use the form below to create your account.</p>
      <form>
        <div class="input-block input-name">
          <label class="form-input">
            First Name
            <input type="text" placeholder="Alice">
          </label>
          <label class="form-input">
            Last Name
            <input type="text" placeholder="Miller">
          </label>
        </div>

        <div class="input-block">
          <label class="form-input">
            Nationality
            <input type="text" placeholder="Russian">
          </label>
          <label class="form-input">
            E-mail
            <input type="email" placeholder="@google.com">
          </label>
        </div>

        <div class="input-block">
          <div class="form-input">
            Date of Birth
            <input type="text">
          </div>
          <div class="form-input">
            Gender
            <div class="radio-input-group">
              <div class="radio-input">
                <input type="radio" name="1"> Male
              </div>
              <div class="radio-input">
                <input type="radio" name="1"> Female
              </div>
            </div>
          </div>
        </div>
      </form>
    </section>

  </main>
</body>
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: #f2f2f2;
}

#form {
    width: 665px;
    background-color: #Fff;
    padding: 21px 35px;
}

#form form .form-input {
    display: flex;
    flex-direction: column;
    width: 45%;
}

.input-block {
    display: flex;
    justify-content: space-between;

    font-family: "Work Sans";
    font-weight: 300;
    font-size: 14px;
    color: #7c7c7c;

    margin-top: 16px;
}

.input-name {
    margin-top: 20px;
}

input {
    outline: none;
    border: 1px solid #fff;
    border-bottom: 1px solid #f2f2f2;
    height: 25px;
}

.gender {
    display: flex;
}

.main {
    display: flex;
}

.aside {
    width: 137px;
    height: 480px;
    background-color: #5A61ED;
}

p {
    font-family: "Work Sans";
    font-weight: 300;
    color: #111111;
    line-height: 14px;
}

h1 {
    position: absolute;
    color: white;
    transform: rotate(270deg);
    white-space: nowrap;
    font-size: 49px;
    bottom: 225px;
    left: 20px;
    font-family: PT Sans;
    font-weight: 400;
}

h2 {
    font-family: Work Sans;
    font-weight: 500;
    font-size: 22px;
    color: #111111;
    line-height: 26px;
}

.radio-input-group {
  display: flex;
  align-items: center;
}
.radio-input-group .radio-input {
  margin-right: 1em;
}
.radio-input {
  display: flex;
  align-items: center;
}

External CSS

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External JavaScript

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