.example { font-family: "Courier New", monospace; 
      padding: 0.1em; 
      margin: 0.1em 1.5em 0.1em 1em;
      background-color: #efeff5;
      border: 1px solid #cfcfcf;
      white-space: pre;
      font-size: 10pt;
 }

body 
  {
      margin-top: 2em;
       margin-bottom: 2em;
     margin-right: 5%;
	  margin-left: 5%;
}