Не центрируются новости - Вопросы по CSS

body {
	background-image: url(../images/backgrond_fragment.png);
	margin: 0px;
	padding: 0px;
	font-family: Georgia;
	font-size: 22px;
	color: #1d2288;
	width: 100%;
}

.componentheading {
	font-size: 24px;
	color: #52450a;
}
.contentheading {
	font-size: 28;
	color: #da251c;
	font-size: 36px;
}

.menubar {
	background-image: url(../images/menubar.png);
	background-repeat: repeat;
	height: 62px;
	margin-right: auto;
	margin-left: auto;
	padding-right: 50px;
	padding-left: 50px;
}
.container {
	width: 90%;
	min-width: 1000px;
	padding-left: 80px;
	clear: both;
	overflow: hidden;
	margin-top: 5px;
	min-height: 100%;
}
.leftmodule {
	float: left;
	width: 12%;
	min-width: 200px;
}
.maincontent {
	width: 70%;
	float: left;
	padding-right: 5px;
	padding-left: 5px;
	margin-right: 10px;
	margin-left: 10px;
}
.rightmodule {
	float: left;
	width: 12%;
}

.logo {
	background-image: url(../images/logo.png);
	height: 200px;
	width: 571px;
	margin-right: auto;
	margin-left: auto;
}
.small {
	font-size: 14px;
	color: #030;
}
.createdate {
	font-size: 14px;
	color: #030;
}
a {
	font-weight: bold;
	color: #2e586d;
	text-decoration: underline;
}
a:hover {
	text-decoration: none;
}
.footer {
	font-family: Georgia;
	font-size: 12px;
	color: #52450a;
	background-color: #efdcb4;
	height: 100px;
	width: 100%;
	margin-top: 45px;
	padding-top: 45px;
}


.rasporka {
	width: 100px;
}
.menubar ul.menu {
	list-style-type: none;
	margin: 0px;
	padding: 0px;
	position: relative;
	top: 10px;
	z-index: 20;
	width: 1100px;
}
.menubar ul.menu li li {
	background-color: #efddb0;
}
.menubar ul.menu li ul {
	display: none;
}
.menubar ul.menu li:hover ul {
	display: block;
	position: absolute;
	left: -30px;
	top: 25px;
}

.menubar ul.menu li {
	display: inline;
	float: left;
	width: 150px;
	position: relative;
	margin-right: 30px;
}
.menubar ul.menu li a:hover, a:active {
	color: #b22903;
}

.menubar ul.menu li a {
	color: #00719d;
	text-decoration: none;
}
.leftmodule ul.menu {
	list-style-type: none;
	margin: 0px;
	position: relative;
	left: -40px;
}
.leftmodule ul.menu a {
	color: #a22503;
	text-decoration: none;
}

.leftmodule ul.menu ul {
	list-style-type: none;
	display: none;
}

.leftmodule ul.menu a:hover {
	text-decoration: underline;
}
div.leftmodule h3, div.rightmodule h3 {
	color: #1d2288;
	font-size: 22px;
}

.maincontent {
    width: 70%;
    float: left;
    padding-right: 5px;
    padding-left: 5px;
    margin-right: 10px;
    margin-left: 10px;
text-align:center;//Добавь эту строчку
}
.maincontent table{width:100%;}  //И это свойство

.contentheading {
    font-size: 28;
    color: #da251c;
    font-size: 36px;
padding-left: 50px;}