body {
    margin:0;
    padding:0;
    color:#000;
    background-color:#ccffcc;
    font-family:Arial, Helvetica, sans-serif;
}
.heading {
  text-align: center;
}
  
.left {
  float: left;
  padding: 1em 1em 1em 1em;
  width: 9em;
  
}

.middle {
  top: 1em;
  margin-left: 11em;
  margin-right: 11em;
  padding: 1em 1em 1em 3em;
  background-color:#ffffff;
}

.right {
  float: right;
  padding: 1em 1em 1em 1em;
  width: 9em;
}

.footer {
  padding-top: 1em;
  text-align: center;
  clear: both;
}