div
{
  background-color: #e7f7e7;
  border: 1px solid #ccc;
  padding: 2px;
  width: 100px;
}
div#div2
{
  background-color: #ffdddd;
  border: 1px solid #ccc;
  padding: 2px;
  width: 150px;
}
div.div3
{
  background-color: #f3f3f3;
  border: 1px solid #ccc;
  padding: 2px;
  width: 200px;
}
