body {
	font-family: "Times New Roman";
	font-size: 1em;
	font-style: normal;
	font-weight: normal;
	font: normal normal normal 0.83em/1.3em "Times New Roman";
	color: #333333;
	background-color: #FFFFFF;
	vertical-align: top;
	text-align: left; 
	margin:0; 
	padding:0;
}

/* Style for left sidebar */ 
#sidebar { 
float: left; 
display: inline; 
margin: 1em; 
width: 8em; 
/* Actual em*/ 
} 

/* Style for main content area */ 
#main { 
margin: 1em; 
margin-left: 10em 
} 

/* Style for page header */ 
#header {
	margin: 1em 1em 1em 1em;
	width: 100%;
	background-color: #87ceeb;
} 

/* Style for page footer */ 
#footer { 
clear: both; 
margin: 0; 
width: 100%; 
background-color: #87ceeb; 
clear: both;
width: 100%;

}

#wrapper{ 
/* Set layout width */ 
width:68em; 
/* Center the layout */ 
margin:auto; 
} 


/* Page footer style */
#footer2{
	width: 800px;
	background-image: url("pix/bkg/drops.jpg");
	background-repeat: repeat;
	border-top: thin solid #191970;
	padding-top: 4px;
}


#container {
	width: 100%;
	height: 100%;
	background-color: #cb8;
	font-family: "Times New Roman", Times, serif;
	font-size: 1em;
}
#masthead {
	width: 100%;
	overflow: auto;
	text-align: right;
	background-color: #0000FF;
}
#page_content {
	position: relative;
	font-family: "Times New Roman", Times, serif;
	font-size: 1em;
	font-weight: normal;
	font-style: normal;
	vertical-align: top;
}
#content {
	margin-left: 140px;
	padding: 10px;
	background-color: #fff;
	font-family: "Times New Roman", Times, serif;
	font-size: 1em;
	font-weight: normal;
	font-style: normal;
	vertical-align: top;
}
#masthead img {
	float: left;
}
#masthead p {
	font-size: 1em;
	margin: 0;
	margin-right: 1%;
}

/** LISTS */

ul{
	list-style-image: url('../images/greenDot.gif');

}

/** Images */
#post img { 
padding: 6px; 
border-top: 1px solid #ddd; 
border-left: 1px solid #ddd; 
border-bottom: 1px solid #c0c0c0; 
border-right: 1px solid #c0c0c0; 
display:block; 
margin-left:auto; 
margin-right:auto; 
} 

img { border: none; margin: 3px 3px 0px 0px; }

img.left {
	border: none;
	float: left;
	margin: 3px 3px 0px 0px;
	table-layout: auto;
	margin-bottom: auto;
}

/* Center image between margins */

div.center{
   width: 100%;
   text-align: center
}

h1 {
	font-size: 1em;
	color: #336600;
	font-family: "Times New Roman", Times, serif;
	font-weight: bold;
	font-style: normal;
	font-variant: normal;
}
h2 {
	font-size: 1em;
	color: #008080;
	font-family: "Times New Roman", Times, serif;
	font-weight: normal;
	font-style: normal;
}
h3 {
	font-size: 1em;
	color: #008000;
	font-family: "Times New Roman", Times, serif;
	font-weight: normal;
	font-style: normal;
}
h4 {
	font-size: 1em;
	color: #000000;
	text-align: left;
	font-family: "Times New Roman", Times, serif;
	font-weight: normal;
	font-style: normal;
}
h5 {
	font-size: 1em;
	color: #000000;
	font-family: "Times New Roman", Times, serif;
	font-weight: normal;
	font-style: normal;
}
h6 {
	font-size: 1em;
	color: #000000;
	font-family: "Times New Roman", Times, serif;
	font-weight: normal;
	font-style: normal;
}
/* Styles for Navigation */
/* Styles for Footer */
#footer p {
	font-size: 1em;
}
#footer a {
	color: #393939;
	text-decoration: underline;
	font-size: 1em;
}
#footer a:hover {
	color: #393939;
	text-decoration: none;
	font-size: 1em;
}
a {
	font-family: "Times New Roman", Times, serif;
	font-size: 1em;
	font-weight: bold;
	font-style: normal;
	font-variant: normal;
	color: #444444;
	text-decoration: underline;
	height: 1px;
}
a:hover {
	color: #008000;
	text-decoration: underline;
	font-family: "Times New Roman", Times, serif;
	font-size: 1em;
	font-weight: bold;
	font-style: normal;
	font-variant: normal;
}

/* General style for horizontal lines */
hr{
	padding: 0em 0 0em 0;
	background-color: #008000;
	color: #008000;
	width: 50%;
	height: .35em;
}

/** BOX1 */

#box1 {
}

/** BOX2 */

#box2 {
}

/** BOX3 */

#box3 {
}

/** BOX4 */

#box4 {
	float: left;
	width: 260px;
}

/** BOX5 */

#box5 {
	float: right;
	width: 176px;
}

/** BOX6 */

#box6 {
	float: left;
	width: 600px; 
}

/** FrankMadetemplate */

#header2{
	width: 800px;
	border-bottom: thin solid #191970;
}

#leftnavigation {
  position : absolute;
  left : 0;
  width : 150px;
  margin-left : 10px;
  margin-top : 20px;
  color : #000000;
  padding : 3px;
}
#rightnavigation {
	position : absolute;
	left : 80%;
	top : 20px;
	width : 140px;
	padding-left : 10px;
	z-index : 3;
	color : #000000;
	padding : 3px;
} 

Then for the content row, I set the margins to be somewhat relative to the outer columns.
#content3 {
  top : 0px;
  margin : 0px 25% 0 165px;
  padding : 3px;
  color : #000000;
}