Hola que tal, tengo un problema al visualizar bien los estilos de una pagina web en html e integrarle codigo php que esta debajo del codigo html.
Como hacer integrar este codigo html en php. Agradeceria su respuesta.

Descarga de archivos
[url=https://drive.google.com/file/d/0B9mQhd-gu2ONMERZMm1ZVjFlUVE/edit?usp=sharing][/url]

*****inicia html***
<!DOCTYPE html>
<html lang="en">
<head>
<meta content="text/html; charset=utf-8" http-equiv="content-type">
<title>About</title>
<link rel="stylesheet" href="css/reset.css" type="text/css" media="screen">
<link rel="stylesheet" href="css/style.css" type="text/css" media="screen">
<link rel="stylesheet" href="css/layout.css" type="text/css" media="screen">
<script src="js/jquery-1.7.1.min.js" type="text/javascript"></script>
<script src="js/cufon-yui.js" type="text/javascript"></script>
<script src="js/cufon-replace.js" type="text/javascript"></script>
<script src="js/Dynalight_400.font.js" type="text/javascript"></script>
<script src="js/FF-cash.js" type="text/javascript"></script>
<script src="js/tms-0.3.js" type="text/javascript"></script>
<script src="js/tms_presets.js" type="text/javascript"></script>
<script src="js/jquery.easing.1.3.js" type="text/javascript"></script>
<script src="js/jquery.equalheights.js" type="text/javascript"></script>
<!--[if lt IE 8]>
<div style=' clear: both; text-align:center; position: relative;'> <a href="http://windows.microsoft.com/en-US/internet-explorer/products/ie/home?ocid=ie6_countdown_bannercode"> <img src="http://storage.ie6countdown.com/assets/100/images/banners/warning_bar_0000_us.jpg" border="0" height="42" width="820" alt="You are using an outdated browser. For a faster, safer browsing experience, upgrade for free today." /> </a> </div> <![endif]-->
<!--[if lt IE 9]>
<script type="text/javascript" src="js/html5.js"></script> <![endif]-->
</head>
<body id="page1">
<!--==============================header=================================-->
<header>
<div class="row-top">
<div class="main">
<div class="wrapper">
<h1><a href="index.html">Gestion<span>.ocio</span></a></h1>
<nav>
<ul class="menu">
<li><a class="active" href="index.html">Administracion</a></li>
<li><span style="color: white;">Extras</span></li>
</ul>
</nav>
</div>
</div>
</div>
<div class="row-bot">
<div class="row-bot-bg">
<div class="main">
<h2>Gestion Ocio<span>Top Restaurantes</span></h2>
</div>
</div>
</div>
</header>
<!--==============================content================================-->
<section id="content">
<div class="ic">Taller de Bases de Datos</div>
<div class="main">
<div class="wrapper img-indent-bot">
<article class="col-1"> <br>
</article>
<article class="col-1"> <br>
</article>
<article class="col-2"> <br>
</article>
</div>
<a style="width: 109px;" class="button-2" href="#">Nuevo Registro</a>
&nbsp; &nbsp;&nbsp; <a class="button-1" href="#">Borrar Registro</a><br>
<br>
<a class="button-1" href="#">Modificar Registro</a> &nbsp;
&nbsp; &nbsp; <a style="width: 88px;" class="button-2" href="#">Consulta</a>
<div class="wrapper"> </div>
<br>
<br>
<br>
<br>
<br>
<br>
</div>
</section>
Utilizando Tecnologia html5, Equipo Taller de Base de Datos. Curso de verano
<script type="text/javascript">Cufon.now(); </script>
<script type="text/javascript">
$(window).load(function() {
$('.slider')._TMS({
duration:1000,
easing:'easeOutQuint',
preset:'slideDown',
slideshow:7000,
banners:false,
pauseOnHover:true,
pagination:true,
pagNums:false
});
});
</script>
</body>
</html>

***fin html****

***codigo php

<?php
$bd_host = "localhost";
$bd_usuario = "root";
$bd_password = "asdxw1";
$bd_base = "unidad3";

$con = mysql_connect($bd_host, $bd_usuario, $bd_password);

mysql_select_db($bd_base, $con);

$sql=mysql_query("SELECT lastname,edlevel, salary+1200 AS 'new-salary'
FROM EMPLOYEE WHERE (edlevel=20 or edlevel=18) ORDER BY edlevel DESC,salary",$con);

?>
<table style="border:1px solid #FF0000; color:#000099;width:400px;">
<tr style="background:#99CCCC;">
<td>Nombres</td>
<td>Departamento</td>
<td>Sueldo</td>
</tr>

<?php
while($row = mysql_fetch_array($sql)){
echo " <tr>";
echo " <td>".$row['lastname']."</td>";
echo " <td>".$row['edlevel']."</td>";
echo " <td>".$row['new-salary']."</td>";
echo " </tr>";
}
?>
</table>