/* using background colours to demonstrate the box model */

#a1 {
	background: blue;
	color: white;
}

#a2 {
	background: orange;
	display: inline;

}

#a3 {
	background: black;
	color: yellow;
	display: inline;
	
}

#a4 {
	background: green;
	display: inline-block;
	width: 100%;
}

#a5 {
	background: brown;
	width: 100px;
}

#a6 {
	background: red;
	width: 100px;
}
#a7 {
	background: yellow;
	width: 100px;
}

#a8 {
	background: pink;
	display: block;
}