/* boxmodel.css for boxmodel.html */

body {
  padding: 0;
  margin: 0;
}

div#outerBox {
  border: 10px solid black; /* Shorthand for styling a border */
  background-color: yellow;
}

div#middleBox {
  padding: 20px;
  border: 20px dashed silver;
  margin: 20px;
  background-color: maroon;
}

div#innerBox { background-color: #fff; }