A CodePen by David HC.

index.html

<div class='button'>
  <div class='iphone'><div class='knob'></div></div><center><span>Available on the <h2>App Store</h2></span></center>
</div>
<h1 class='price'>$9.00</h1>
<link href='http://fonts.googleapis.com/css?family=Open+Sans:400,700' rel='stylesheet' type='text/css'>

style.css

.iphone {
  width: 33px;
  height: 57px;
  float: left;
  background: #fff;
  border-radius: 4px;
  position: relative;
  box-shadow: 0 1px 3px rgba(0,0,0,.3);
}
.iphone:before {
  content: '';
  width: 8px;
  z-index: 1;
  height: 2px;
  background: #f44;
  position: absolute;
  left: 50%;
  margin-left: -4px;
  top: 4px;
  border-radius: 3px;
  box-shadow: inset 0 1px 3px rgba(0,0,0,.3);
}
.iphone:after {
  content: '';
  width: 27px;
  z-index: 1;
  height: 37px;
  background: #f44;
  position: absolute;
  left: 50%;
  margin-left: -14px;
  margin-top: 10px;
  box-shadow: inset 0 1px 3px rgba(0,0,0,.3);
}
.knob {
  width: 5px;
  z-index: 2;
  height: 5px;
  background: #f44;
  position: absolute;
  left: 50%;
  margin-top: 49px;
  margin-left: -3px;
  border-radius: 50px;
  box-shadow: inset 0 1px 3px rgba(0,0,0,.3);
}
.button {
  width: 200px;
  background: #f44;
  padding: 18px 30px;
  height: 58px;
  border-radius: 10px;
  display: inline-block;
}
.button span {
  color: #fff;
  text-shadow: 0 1px 3px rgba(0,0,0,.4);
  font: 17px 'Open Sans';
  float: right;
}
span h2 {
  margin: 0;
  font-size: 30px;
  padding: 0;
  line-height: 0.9;
}
h1.price {
  margin-left: 15px;
  padding: 0;
  display: inline-block;
  vertical-align: 35px;
  color: #f44;
  font-size:38px;
}
body {
  font-family: 'Open Sans';
  background: #fafafa
}