body {
	background:url(i/design_intro.jpg) no-repeat 50% 0%;
	background-color:#e5ecef;
}
#c {
  width:830px;
}
#b {
	width:360px;
	height:250px;
}
#d {
	float:right;
	width:350px;
	height:115px;
}
#main {
  float:right;
  width:450px;
}
#s3,#s4,#s5,#s6,#s7,#s8 {
	float:left;
	clear:left;
}

#menu {
	float:left;
  width:315px;
  height:140px;
}
#c1,#c2,#c3,#c4,#c5,#c6 {
	height:16px;
}
#c2 {width:4px;}
#c3 {width:6px;}
#c4 {width:8px;}
#c5 {width:10px;}
#c6 {width:12px;}