body{
  padding:3em;
 }
 input[type="text"]{
  background-color:black;
  color:yellow;
  width:25em;
 }
 div#header{
  font-size:large;
 }
 #example{
  visibility: hidden;
  line-height: 0px;
  font-size: 0px;
  width: 0px;
  height: 0px;
  z-index: -1;
 }
 #help{
  width: 25%;
 }
 .message{
  width: 30em;  
  background-color: #FFFFF3;
  margin: 1em;
 }
 .title{
 }