body	{
	background-color:#dddddd;
	font-family:±¼¸²;
	font-size:12pt;
	}
h1 		{
	color: #0000ff;
	border-bottom:2px solid green;
	font-family: µ¸¿ò;
	padding:3px;
	letter-spacing:-1px;
	font-size: 15pt;
	}
table	{
	cellspacing:0px;
	cellpadding:10px;
	border:1px;
	font-family:±¼¸²;
	font-size:12pt;
	}

h2 		{
	color: #0033ff;
	font-family: µ¸¿ò;
	font-size: 14pt;
	}

h3 		{
	color: #009933;
	font-family: µ¸¿ò;
	font-size: 12pt;
	}
div {
	font-family:±¼¸²;
	font-size:12pt;
    }
ol           	{ cursor: hand }
sup, sub	{ font-size: 10pt }

 .solution {
	padding:10px;
	width:500px;
	font-family:±¼¸²;
	font-size:12pt;
	}
.point	{
	border-left:1px solid green;
	border-top:1px solid green;
	border-bottom:2px solid green;
	border-right:2px solid green;
	background-color:#f0f8f0;
	padding:10px;
  width:500px;
  font-family:±¼¸²;
	font-size:12pt;
	}
	
i		{
		font-family:Times New Roman;
		font-style:Italic;
		font-size:12pt;
		}