/* CSS layout */
#masthead {
	width: 760px;
}

#top_nav {
}

#container {
	position: relative;
	width: 760px;
}

#left_col {
	width: 180px;
	position: absolute;
	left: 0px;
	top: 0px;
	background-color: #6545E6;
}
#page_content {
	margin-left: 180px;
	height: 600px;
}
#footer {
	background-color: #6545E6;
	font-family: Arial, Helvetica, sans-serif;
	font-size: x-small;
	color: #FFFFFF;
	width: 760px;
}
<style type="text/css">

/*Credits: Dynamic Drive CSS Library */
/*URL: http://www.dynamicdrive.com/style/ */

#blueblock{
width: 180px;
border-right: 1px solid #000;
padding: 0 0 1em 0;
margin-bottom: 1em;
font-family: 'Trebuchet MS', 'Lucida Grande', Arial, sans-serif;
font-size: 90%;
background-color: #90bade;
color: #333;
}

* html #blueblock{ /*IE 6 only */
w\idth: 147px; /*Box model bug: 180px minus all left and right paddings for #blueblock */
}

#blueblock ul{
list-style: none;
margin: 0;
padding: 0;
border: none;
}

#blueblock li {
	border-bottom: 1px solid #90bade;
	margin: 0;
	border-bottom-color: #CCCCFF;
}
#blueblock li a{
	display: block;
	padding: 5px 5px 5px 8px;
	border-left: 10px solid #1958b7;
	border-right: 10px solid #508fc4;
	background-color: #6545E6;
	color: #fff;
	text-decoration: none;
	width: 100%;
	border-right-color: #E0DAFA;
	border-left-color: #6C00A7;
	font-family: Arial, Helvetica, sans-serif;
	font-size: small;
	border-left-width: 10px;
	border-left-style: solid;
	border-right-style: none;
}

html>body #blueblock li a{ /*Non IE6 width*/
width: auto;
}

#blueblock li a:hover{
	border-left: 10px solid #1c64d1;
	background-color: #CCCCFF;
	color: #000000;
	border-left-color: #6c00A7;
}

</style>
#blueblock li a {
	display: block;
	padding: 5px 5px 5px 8px;
	border-left: 10px solid #1958b7;
	border-right: 10px solid #508fc4;
	background-color: #6545E6;
	color: #fff;
	text-decoration: none;
	width: 100%;
	border-right-color: #E0DAFA;
	border-left-color: #6C00A7;
	font-family: Arial, Helvetica, sans-serif;
	font-size: small;
	border-left-width: 10px;
	border-left-style: solid;
	border-right-style: none;
}
#blueblock li a {
	display: block;
	padding: 5px 5px 5px 8px;
	border-left: 10px solid #1958b7;
	border-right: 10px solid #508fc4;
	background-color: #6545E6;
	color: #fff;
	text-decoration: none;
	width: 100%;
	border-right-color: #E0DAFA;
	border-left-color: #6C00A7;
	font-family: Arial, Helvetica, sans-serif;
	font-size: small;
	border-left-width: 10px;
	border-left-style: solid;
	border-right-style: none;
}