Style is different than video

include ("inc/data.php");
$pageTitle = "Full Catalog";
$section = null;

if (isset($_GET["cat"])) {
    if ($_GET["cat"] == "books") {
        $pageTitle = "Books";
        $section = "books";
    } elseif ($_GET["cat"] == "movies"){
        $pageTitle = "Movies";
        $section = "movies";
    }elseif ($_GET["cat"]== "music"){
        $pageTitle = "Music";
        $section = "music";
}
}
include("inc/header.php"); ?>

<div class="section catalog page">
    <div class = "wrapper">
        <h1><?php echo $pageTitle; ?></h1>

        <ul class="items">
            <?php 
            foreach ($catalog as $item) {
                echo "<li<a href='#'><img src='" 
                . $item["img"] . "'alt ='" 
                . $item["title"] . "' />" 
                . "<p> View Details</p>"
                . "</a></li>";
            }
            ?>
        </ul>
    </div>
</div>

<?php include("inc/footer.php"); ?>