body {
    margin: auto;
    width: 640px; 
    padding: 50px;

  }
  
  /* 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%);
  }