<div class="content home" style="margin-top: 20px; ">
    <div class="slideshow" style="margin: auto;">
        <div class="slideshowtotal bouw">
            <?php
            for($i=1; $i<=40; $i++)
            {
                $num = sprintf("%02d", $i);
                ?>
                <a class="slideshowimg slide-show-img" rel="slideshow1" title="" href="/public/images/static/slider/Foto-<?php echo $num; ?>.jpg">
                    <div style="height: 250px; margin-left: 15px; margin-bottom: 15px; width: 250px; background-size: cover; background-image: url('/public/images/static/slider/Foto-<?php echo $num; ?>.jpg'); "></div>
                </a>
            <?php
            }
            ?>
            <div class="clear"></div>
        </div>
        <div class="clear"></div>
    </div>


</div>