html {
	background-color: lightslategrey;
	font-family: sans-serif;
}

body {
	margin:auto;
	max-width: 600px;
	height: 600px;
	background-color: azure;
}

h1 {
	color: purple;
	text-align: center;
}

div {
	border: 1px solid purple;
	border-radius: 5px;
}

#billy {
	color: darkred;
}

#bob {
	color: darkgreen;
}


#bob a {
	text-decoration: line-through;
}

#bob .two a {
	text-decoration: underline overline;
	color: orange;
}

.two {
	font-size: larger;
}

.three {
	font-size: smaller;
}