<div class="subscribe-container">
	<div class="subscribe-inner">
		<h3>Subscribe to our newsletter!</h3>
		<input type="text" placeholder="Enter your email address">
		<br />
		<input type="submit" placeholder="Enter your email address">
	</div>
</div>
body {
  text-align: center;
  margin-top: 30px;
  background: #f7f7f7;
}

.subscribe-container {
  display: inline-block;
  width: 100%;
  max-width: 700px;
  background: url(http://www.martinekelund.com/wp-content/uploads/2016/12/airmail-border-tiled-KiDKie.jpg);
}

.subscribe-inner {
  background: white;
  margin: 20px;
  padding: 30px;
  text-align: center;
}

.subscribe-inner h3 {
  font-size: 30px;
  margin: 0;
  margin-bottom: 20px;
}

.subscribe-inner input[type="text"] {
  font-size: 20px;
  text-align: center;
  width: 80%;
  padding: 10px 20px;
  margin-bottom: 15px;
  border: none;
  border-bottom: 2px solid #333;
}

.subscribe-inner input[type="submit"] {
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  padding: 8px 30px;
  border: 2px solid #333;
  background: white;
}

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

This Pen doesn't use any external JavaScript resources.