FlexLorem

CSS

*					{ margin: 0; padding: 0; }
body				{ font: 15px/2 Georgia, serif; background: #999; }
h1, h2, h3 			{margin:0px;padding:0px;font-family:Georgia; text-transform:uppercase;color:#A04B51;}
h1 					{font-size:1.125em;}
h2 					{font-size:1em;font-family:Arial;color:#515151;}
p					{font-family:Arial;font-size:0.750em;}
ul					{list-style-type:none;}
li					{line-height:1em;}
.clearfix 			{zoom: 1 /*ie6/7*/}
.clearfix:after		{ /*rest*/
					  height: 0px !important;
					  clear: both;
					  display: block;
					  position: relative;
					}
.clearfix 			{ display: inline-block; }
.clear				{clear:both;}
#page-wrap		    { max-width: 960px; min-width: 560px; margin: 0 auto; position: relative; zoom: 1; }
#header             { max-width: 960px; min-width: 560px; background: #222; color: #fff;
                      margin: 15px auto 0; }
#main-content       { padding: 0 190px; background: white; }
#main-sidebar       { position: absolute; left: 0; top: 0; width: 160px; bottom: 0; 
                      background: #eee; padding: 0 10px; }
#secondary-sidebar  { position: absolute; right: 0; top: 0; width: 160px; bottom: 0;
                      background: #eee; padding: 0 10px }
#footer             			{ max-width: 960px; min-width: 560px; background: #222;margin: 0 auto 15px; }
#footer p           			{ padding: 10px; color: white; }
#footer a           			{ color: white; border-bottom: 1px dotted white; text-decoration: none; }
#footer a:hover     			{ border-bottom-style: solid; }
.article 						{padding:1em 2em 2em 2em;}
#secondary-sidebar .article 	{padding:0.5em 0em;}
#secondary-sidebar .article p	{line-height:1em;padding:0.5em 0;}
#main-sidebar .nav li			{border-bottom:1px solid #515151;padding:0.5em 0;}
#main-sidebar .nav ul			{margin:1em 0;font-size:0.8em;}
.article-block 					{padding:0 0 2em 0;}
.article-block .left 			{width:40%;float:left;margin: 0 5%;}
.article-block .right 			{width:40%;float:left;margin:0%;}
.article-block h3				{line-height:1.5em;font-size:1.1em;}
#main-content  ul 				{padding: 20px;}
#main-content  li 				{padding: 10px 0px;}

Layout

Result

Placeholders:

basic:

complex: