<div class="signup__container">
  <div class="container__child signup__thumbnail">
    <div class="thumbnail__logo">
      <svg class="logo__shape" width="25px" viewBox="0 0 634 479" xmlns="http://www.w3.org/2000/svg"><g><path d="M279.54 11.23c5.06-1.24 10.33-.66 15.47-1.32 26.09-1.36 52.44.63 77.63 7.76 38.63 11.08 74.51 32.27 102.28 61.39 32.95 34.16 55.53 78.53 62.14 125.61 1.63 7.67.96 15.58 2.31 23.28.01 7.1.38 14.22-.05 21.32-1.32 8.97-.57 18.15-2.38 27.07-6.67 42.3-25.61 82.58-53.78 114.85-3.75 4.86-8.6 8.74-12.23 13.71-32.8 32.36-75.61 54.47-121 62.4-5.67.56-11.22 2.17-16.96 2.07-3.76-.23-7.27 1.45-11.01 1.33-8.27.11-16.53.05-24.79.02-4.81.14-9.34-1.82-14.18-1.45-44.88-4.81-87.99-23.76-122.49-52.79-4.74-4.24-9.77-8.22-13.87-13.12-4.35-5.3-9.66-9.75-13.77-15.26-25.43-30.32-43.18-67.2-50.09-106.22-3.84-20.31-3.99-41.1-3.04-61.7.59-2.94.87-5.92.97-8.91 6.72-59.65 38.67-115.74 85.84-152.72 21.95-17.38 47.15-30.63 73.83-39.07 12.79-3.84 25.82-7.21 39.17-8.25m16.85 12.15c-8.99-.03-17.86 1.53-26.69 3.02-44.19 7.93-85.58 30.27-116.73 62.56-15.5 16.07-28.39 34.62-38.26 54.65-14.69 30.22-22.17 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59.88-31.54 84.95-10.29 15.55-24.99 27.88-41.31 36.72-8.85 4.46-18.19 8.44-28.09 9.72-.92-1.62-1.89-3.19-2.65-4.88 5.01-4.31 10.54-7.97 15.74-12.05 27.42-20.23 46.93-51.12 52.86-84.71 1.6-7.98 2.92-16.08 2.71-24.24-.11-7.47.47-15.03-.89-22.42-.81-6.52.25-13.47-2.56-19.6-2.88-8.76-5.44-18.66-13.54-24.14 2.58-1.98 5.52-3.4 8.49-4.71-1.88-2.13-3.73-4.53-6.46-5.58-2.89-.68-5.45 1.21-8.06 2.08-.37-1.52-.68-3.04-.93-4.57 1.3-1.13 2.74-2.1 4.12-3.13-1.83-3.12-5.44-5.59-9.16-4.53-1.05.86-1.82 1.98-2.67 3.02-5.2-.15-11.22-.74-15.15 3.42-1.99 1.41-1.83 4.11-1.08 6.16 2.82 6.01 7.45 10.92 10.46 16.83 6.35 11.83 10.49 24.86 12.23 38.17 1.41 9.55 1.77 19.37.19 28.93-1.5 17.17-8.67 33.16-16.57 48.25-13.76 26.43-34.63 49.71-61.34 63.42-3.72 1.54-7.47-3.31-4.16-6.09 26.79-26.31 44.32-61.62 49.91-98.68.51-6.99 2.16-13.86 2.08-20.89-.01-3.29 1.68-6.23 3.3-8.97-1.88-2.09-3.81-4.13-5.73-6.17 2.49-.95 5-1.85 7.42-2.96-1.72-1.28-3.78-1.55-5.83-1.8-.19-2.16-.33-4.32-.48-6.48 1.98-.08 3.96-.16 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      <h1 class="logo__text">Spectre</h1>
    </div>
    <div class="thumbnail__content text-center">
      <h1 class="heading--primary">Welcome to MI6.</h1>
      <h2 class="heading--secondary">Are you ready to join the elite?</h2>
    </div>
    <div class="thumbnail__links">
      <ul class="list-inline m-b-0 text-center">
        <li><a href="http://alexdevero.com/" target="_blank"><i class="fa fa-globe"></i></a></li>
        <li><a href="https://www.behance.net/alexdevero" target="_blank"><fa class="fa fa-behance"></fa></a></li>
        <li><a href="https://github.com/alexdevero" target="_blank"><i class="fa fa-github"></i></a></li>
        <li><a href="https://twitter.com/alexdevero" target="_blank"><i class="fa fa-twitter"></i></a></li>
      </ul>
    </div>
    <div class="signup__overlay"></div>
  </div>
  <div class="container__child signup__form">
    <form action="#">
      <div class="form-group">
        <label for="username">Username</label>
        <input class="form-control" type="text" name="username" id="username" placeholder="james.bond" required />
      </div>
      <div class="form-group">
        <label for="email">Email</label>
        <input class="form-control" type="text" name="email" id="email" placeholder="james.bond@spectre.com" required />
      </div>
      <div class="form-group">
        <label for="password">Password</label>
        <input class="form-control" type="password" name="password" id="password" placeholder="********" required />
      </div>
      <div class="form-group">
        <label for="passwordRepeat">Repeat Password</label>
        <input class="form-control" type="password" name="passwordRepeat" id="passwordRepeat" placeholder="********" required />
      </div>
      <div class="m-t-lg">
        <ul class="list-inline">
          <li>
            <input class="btn btn--form" type="submit" value="Register" />
          </li>
          <li>
            <a class="signup__link" href="#">I am already a member</a>
          </li>
        </ul>
      </div>
    </form>  
  </div>
</div>
// Remy function
@function remy($value) {
  @return ($value / 16px) * 1rem;
}

body {
  font: 100% / 1.414 "Open Sans", "Roboto", arial, sans-serif;
  background: #e9e9e9;
}
a,
[type="submit"] {transition: all .25s ease-in;}
.signup__container {
  position: absolute;
  top: 50%;
  right: 0;
  left: 0;
  margin-right: auto;
  margin-left: auto;
  transform: translateY(-50%);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  width: remy(800px);
  height: remy(480px);
  border-radius: remy(3px);
  box-shadow: 0px remy(3px) remy(7px) rgba(0,0,0,.25);
}
.signup__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0,0,0,.76);
}
.container__child {
  width: 50%;
  height: 100%;
  color: #fff;
}
.signup__thumbnail {
  position: relative;
  padding: 2rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  background: url(http://ultraimg.com/images/spectre-login.jpg);
  background-repeat: no-repeat;
  background-position: top center;
  background-size: cover;
}
.thumbnail__logo,
.thumbnail__content,
.thumbnail__links {
  position: relative;
  z-index: 2;  
}
.thumbnail__logo {align-self: flex-start;}
.logo__shape {fill: #fff;}
.logo__text {
  display: inline-block;
  font-size: .8rem;
  font-weight: 700;
  vertical-align: bottom;
}
.thumbnail__content {align-self: center;}
h1,
h2 {
  font-weight: 300;
  color: rgba(255,255,255,1);
}
.heading--primary {font-size: 1.999rem;}
.heading--secondary {font-size: 1.414rem;}
.thumbnail__links {
  align-self: flex-end;
  width: 100%;
}
.thumbnail__links a {
  font-size: 1rem;
  color: #fff;
  &:focus,
  &:hover {color: rgba(255,255,255,.5);}
}
.signup__form {
  padding: 2.5rem;
  background: #fafafa;
}
label {
  font-size: .85rem;
  text-transform: uppercase;
  color: #ccc;
}
.form-control {
  background-color: transparent;
  border-top: 0;
  border-right: 0;
  border-left: 0;
  border-radius: 0;
  &:focus {border-color: #111;}
}
[type="text"] {color: #111;}
[type="password"] {color: #111;}
.btn--form {
  padding: .5rem 2.5rem;
  font-size: .95rem;
  font-weight: 600;
  text-transform: uppercase;
  color: #fff;
  background: #111;
  border-radius: remy(35px);
  &:focus,
  &:hover {background: lighten(#111, 13%);}
}
.signup__link {
  font-size: .8rem;
  font-weight: 600;
  text-decoration: underline;
  color: #999;
  &:focus,
  &:hover {color: darken(#999, 13%);}
}
View Compiled

External CSS

  1. https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.0.0-alpha/css/bootstrap.min.css
  2. https://fonts.googleapis.com/css?family=Open+Sans:400,600,700,300
  3. https://fonts.googleapis.com/css?family=Roboto:400,700,300
  4. https://maxcdn.bootstrapcdn.com/font-awesome/4.4.0/css/font-awesome.min.css

External JavaScript

This Pen doesn't use any external JavaScript resources.