Encadrer news par news

<div class="news">
<div class="bnews">
<?php 
require "config.php";
mysql_connect(DB_HOST,DB_LOGIN,DB_PASS);
mysql_select_db(DB_BDD);

$sql="SELECT * FROM news";
$req = mysql_query($sql) or die('Erreur SQL !<br />'.$sqm.'<br />'.mysql_error());
while($data=mysql_fetch_assoc($req)){ 
echo "<h1>{$data["titre"]}</h1>";
echo "<p>{$data["contenu"]}</p>";
} 
?>
</div>
</div>

.news{
position:relative;
top: 125px;
left:310px;
float:left;
margin:0 0 0 0;
}

.bnews{
 display: block;
 height: 1px;
 width: 535px;;
 background-color: #e3e3e3;
 background-image: none;
 background-repeat: repeat;
 margin:0 0 40px 0;
}

h1{
color:#B40000;
font-family:"Arial";
font-size:35px;
text-align:left;
margin:20px 0 0 0;
}

p{
color:#606060;
font-family:"Arial";
font-size:15px;
text-align:left;
margin:0 0 0 5px;
}