Untitled

<!DOCTYPE html>
<html>

<head>
     <link rel="stylesheet" type="text/css" href="teamprojectcss.css">
</head>

<?php
$x = rand(1, 3);
echo "<body background=\"mosaic$x.jpg\">"
?>
<div class="mainblock">
     <menu>
          <lm><a href="teamproject.php">MetVlix</a></lm>
          <lm><a class="active" href="Catalog.php">Catalog</a></lm>
          <lm><a href="Team.php">Team</a></lm>
          <lm><a href="Checkout.php">Check out</a></lm>
     </menu>
     <div class="catalog">
          <form action="Catalog.php" method="post">
                    <br> Filter by genre:
                    <select id="genre" name="genre" required>
                         <option value="1">action</option>
                        <option value="2">Adventure</option>
                        <option value="3">Animation</option>
                        <option value="4">Biography</option>
                        <option value="5">Comedy</option>
                        <option value="6">Crime</option>
                        <option value="7">Drama</option>
                        <option value="8">Family</option>
                        <option value="9">Fantasy</option>
                        <option value="10">Dark-movie</option>
                        <option value="11">History</option>
                        <option value="12">Horror</option>
                        <option value="13">Music</option>
                        <option value="14">Musical</option>
                        <option value="15">Mystery</option>
                        <option value="16">Romance</option>
                        <option value="17">Sci-Fi</option>
                        <option value="18">Sport</option>
                        <option value="19">Thriller</option>
                        <option value="20">War</option>
                        <option value="21">Western</option>
                    </select>
          </form>
          <?php
               $servername = "localhost";
               $username = "username";
               $password = "password";
               $dbname = "myDB";
               $genre = htmlspecialchars($_POST["genre"]);

               // Create connection
               $conn = new mysqli($servername, $username, $password, $dbname);
               // Check connection
               if ($conn->connect_error) {
                    die("Connection failed: " . $conn->connect_error);
               }

               $sql = "SELECT * FROM movies WHERE idgenre=$genre;";
               $result = $conn->query($sql);

               if ($result->num_rows > 0) {
                    // output data of each row
                    while($row = $result->fetch_assoc()) {
                         echo "<br> id: ". $row["id"]. " - Name: ". $row["firstname"]. " " . $row["lastname"] . "<br>";
                    }
               } else {
                    echo "0 results";
               }

               $conn->close();
          ?>
     </div>
</div>

</body>

</html>