body {
  margin: auto;
  width: 640px; 
  padding: 50px;
  font-family: 'Arial', sans-serif; 
  color: #33475b;    
}

/* Centered Image Code */

.container {
  height: 500px;
  position: relative;
}

 .center {
  margin: 0;
  position: absolute;
  top: 50%;
  left: 50%;
  -ms-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
}