if(isset($_POST['product_detail'])){
        $pid=$_POST['pid'];
        $sql="SELECT * FROM products WHERE product_id='$pid'";
        $run_query=mysqli_query($conn,$sql);
        $row=mysqli_fetch_array($run_query);
        $pro_id=$row['product_id'];
        $image=$row['product_image'];
        $title=$row['product_title'];
        $price=$row['product_price'];
        $desc=$row['product_desc'];
        $tags=$row['product_keywords'];
        $stock=$row['Stock'];
        echo "
                <div class='row'>
                    <div class='col-md-6 pull-right'>
                        <img src='assets/prod_images/$image' style='width:250px;height:300px;'>
                    </div>
                    <div class='col-md-6'>
                        <div class='row'> <div class='col-md-12'><h1>$title</h1></div></div>
                        <div class='row'> <div class='col-md-12'>Precio:<h3 class='text-muted'>$price</h3></div></div>
                        <div class='row'> <div class='col-md-12'>Descripción:<h4 class='text-muted'>$desc</h4></div></div><br><br>
                        <div class='row'> <div class='col-md-12'>Unidades disponibles:<h4 class='text-muted'>$stock</h4></div></div><br><br>
                        <div class='row'> <div class='col-md-12'>Etiquetas:<h4 class='text-muted'>$tags</h4></div></div>
                        <button pid='$pro_id' class='product btn btn-danger'>Añadir al carrito</button>
                    </div>
                </div>
        ";
    }