body {
  background-image: url('desert.jpg');
  background-repeat: no-repeat;
  background-attachment: fixed;
  background-size: 100% 100%;
}

.hilite { 
	background-color: yellow; 
	}

.bbox {
	padding: 2em;
	border: solid;
	border-style: ridge;
	background-color: lightblue;
	font-size: 1em;
	font-family: "Arial,Helvetica";
	border-widht: thin;
	}