HTML - Font/heading Alignment

<div class="mainboxtop"></div>
	
			<div class="maincontent">
		 
 
			 <div class="maincontentinner"><!--All content starts here-->
				<h1> More Information</h1>
								this is a test
 			 </div><!--All content stops here-->
	
	
    
	 <div class="mainboxbottom"></div>
	
			
	</div><!--  /closing of maincontentdiv -->

.maincontent {
background:#CFCFCF url(../images/contentmain.gif) repeat scroll 0%;
border:0;
width:710px; 
}
.maincontentinner {/*added to give padding inside the box and a few other styles*/
padding-left:15px;
padding-right:15px;
font-size:1.2em;
}
.mainboxtop {
background:#CFCFCF url(../images/contenttop.gif) no-repeat scroll 0%;
border:0;
height:26px;
margin:0;
padding:0;
width:710px;
}
.mainboxbottom {
background:#CFCFCF url(../images/contentbottom.gif) no-repeat scroll 0%;
border:0;
height:26px;
width:710px;
}

/*
CSS for Un Buchhorn en route
*/

a:visited {
	color: black;
}

#sitebranding a {
	border: 3px solid white;
	padding: 20px 10px 20px 10px;
}

#sitebranding a:hover {
	background-color: #FFE4C4;
}

#tagline {
	margin: 2em 0 1em 0;
}

#navigation {
}

#navigation ul li {
	list-style-type: none;
	float: left;
	margin: 0px 5px 0px 0px; 
}

#navigation ul li a {
	background-color: #FFE4C4;
	text-decoration: none;
	border: black 1px solid;
	border-bottom: none;
	padding: 0 10px 2px 10px;
}

#navigation ul li a:hover {
	background-color: #F5DEB3;
}

#navigation ul li a:visited {
}

#bodycontent {
}

body {
	font-family: Calibri, Arial, Verdana, sans-serif;
	background-color: #F5DEB3;
}

#essay {
	text-align: justify;
	margin: 0 15% 0 15%;
}

#worksList ul {
	margin: 3em 0 3em 0;
}

#worksList ul li {
	list-style-type: square;
	line-height: 200%;
}

#worksList ul li a{
	text-decoration: none;
}

#footnotes {
	font-style: italic;
	text-align: left;
}

h1 {
	font-family: "Jayne Print";
	font-size: 200%;
}

h1 a {
	text-decoration: none;
}

h2 {
	font-size: 125%;
	font-weight: normal;
}

#footer p {
	font-size: 60%;
	font-family: Arial;
	font-style: italic;
}

#adsense {
	position: absolute;
	right: 0;
	top: 5%;
}

#pagedoesnotexist p {
	margin: 20% 20% 20% 25%;
	color: red;
	font-size: 125%;
}

<div class="heading">

<h1><a class="header" href="home.htm">Plotbound.com</a></h1>

<script type="text/javascript" src="http://x10hosting.com/adserve.js?kaoticja"></script>
</div>

div.heading
{
background-color: #ffffff;
border-bottom: 3px ridge #000000;
border-left: 3px ridge #000000;
margin-bottom: 10px;
}