.cb {
	margin:0.5em 0;
}
/* Rules for the top corners and border */
.bt {
	background:url(box.gif) no-repeat 100% 0;
	margin:0 0 0 18px;
	height:17px;
}
.bt div {
	height:17px;
	width:18px;
	position:relative;
	left:-18px;
	background:url(box.gif) no-repeat 0 0;
}

/* Rules for the bottom corners and border */
.bb {
	background:url(box.gif) no-repeat 100% 100%  #FFFFFF;
	margin:0 0 0 18px;
	height:17px;
}
.bb div {
	height:17px;
	width:18px;
	position:relative;
	left:-18px;
	background:url(box.gif) no-repeat 0 100% #FFFFFF;
}

/* Insert the left border */
.i1 {
	padding:0 0 0 12px;
	background:url(borders.gif) repeat-y 0 0;
}
/* Insert the right border */
.i2 {
	padding:0 12px 0 0;
	background:url(borders.gif) repeat-y 100% 0;
}
/* Wrapper for the content. Use it to set the background colour and insert some padding between the borders and the content. */
.i3 {
	background:#fff;
	border:1px solid #fff;
	border-width:1px 0;
	padding:0 12px;
}
/* CSS for the box ends here */

/* Just a bit of styling for this example. Adjust as you wish. */
/* the font:bold 1.6em controls the size of the top banner part of the text
this is a global command so if you change it will effect all boxes */
.cb h1 {
	margin:0 -10px;
	padding:0.3em 10px;
	background:#efece6;
	font:bold 1.4em/1 Arial, Helvetica, sans-serif;
}