<img id="bg" src="http://bit.ly/2uBRlea">
  <div id="container">
    <div id="content">
      <h1>SUBSCRIBE</h1>
      <h3>Awesomeness delivered in <br>your inbox</h3>
      <input type="email" placeholder="Enter Your email">
      <span><a href=""></a></span>
    </div>
  </div>
@import url('https://fonts.googleapis.com/css?family=Dancing+Script|Play');
*{
  margin: 0;
  padding: 0;
  font-family: sans-serif;
}
#bg{
  width: 100%;
  height: 100vh;
  filter: blur(0px);
}
body{
  background: url('http://bit.ly/2uBRlea') fixed no-repeat;
  background-size: cover;
}
#container{
  width: 800px;
  height: 500px;
  position: absolute;
  background: inherit;
  top: 50%;
  left: 50%;
  margin-left: -400px;
  margin-top: -250px;
  border-radius: 10px;
  overflow: hidden;
}
#container:before{
  content: "";
  width: 950px;
  height: 650px;
  position: absolute;
  background: inherit;
  top: -25px;
  left: -25px;
  right: 0;
  bottom: 0;
  box-shadow: inset 0 0 0 3000px rgba(69,157,239,0.9);
  filter: blur(8px);
  
}
#content{
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%,-50%);
  text-align: center;
}
h1{
  color: white;
  font-family: "Dancing Script";
  font-size: 80px;
  letter-spacing: 5px;
  margin-top: -70px;
  font-weight: 300;
}
h3{
  font-family: "Play";
  color: rgba(255,255,255,0.7);
  font-weight: 300;
  font-size: 25px;
  letter-spacing: 1px;
  margin-top: 20px;
}
::placeholder{
  color: rgba(255,255,255,0.7);
  font-size: 18px;
  font-family: "Play";
}
input{
  width: 480px;
  padding: 10px 0px; 
  background-color: rgba(255,255,255,0.2);
  border-radius: 50px;
  border: 4px dashed rgba(255,255,255,0.7);
  margin-top: 79px;
  outline: 0;
  font-size: 20px;
  text-indent: 20px;
  color: rgba(255,255,255,0.7);
}
span:before{
  display: inline-block;
  content:'\f1d9';
  font-family:"fontAwesome";
  margin-left: -47px;
  font-size: 25px;
  position: absolute;
  top: 83%;
  left: 95%;
  color: white;
  font-style: italic;
}

External CSS

  1. https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.css

External JavaScript

This Pen doesn't use any external JavaScript resources.