* {margin:0 padding:0;}
body {
	text-align:center;  
	}
#main_wrapper {
	width:850px; 
	margin-left:auto;  
	margin-right:auto; 
	text-align:left; 
	padding:10px 0;
	margin-top:10px;
	margin-bottom:10px;
	}	
#header { height:170px; width:760px;
	margin: 0 10px ; 
}
#nav {
	width:75px;
	margin:10px 5px 10px 5px;
	float:left;
	display:inline; 
	}
#content {
	width:650px;
	margin:10px 5px 10px 5px;
	float:left;
	}
#promo {
	width:60px;
	margin:10px 5px 10px 5px;
	padding-top:2px;
	padding-bottom:1px;
	float:left;
	}
#footer {width:800px;
	margin:0 25px;
	clear:both;
	}
#header_inner, #content_main, #promo_inner {
	overflow:hidden; 
	}
#header_inner {
	padding:1em 2em ; 
	}
#nav_left {
	padding:1em .5em;
	}
#content_main {
	padding:0em 1em 1em 1.5em;
	}


#promo_inner { padding-top:450px;
	
	}
#footer_inner {
	padding:.5em 1em;
	text-align:center;
	}
	

#image_stability_layout {width:440px; height: 520px; float:left; margin-right:1px; margin-bottom:15px; 
}

#image_current_tech_layout {width:370px; height: 220px; margin-left: 140px;  margin-bottom:1px; padding: 1px;
}

#image_step_tech_layout {width:420px; height: 355px; margin-left: 100px; padding: 5px;
}

blockquote em {
	color:#333
}

#content_main_inner{padding:0em 2em;
}