Hopping php html

Very well this way was the one that worked for me, what I did was create a block of blank space in <style> since the spaces had predetermined jumps with css and not directly with HTML which did not work for me <br>

Believe me this class, which I call salto that only contained a block of space in blamco

<style type="text/css">
    .salto::after {
    content: "";
    clear: both;
    display: table;
    }
</style>

After the time of printing, call the class salto to give the space;

}

echo $products_item;

}
echo'<div class="salto"></div>'; //Aquí aplico el espacio
include 'pie.php';
?> 

Final result

2

[HTML] You could solve it easily with CSS, but since I do not know your CSS code, and only HTML and PHP samples, then, simply solve it with HTML, with the <br/> tag, in the following way.

YOUR PHP CODE SHOULD REMAIN IN THE FOLLOWING FORM

I will add only one line of code ( echo "<br/>"; ) after finishing the while loop, that way, the entire block of images will be separated from the foot.

<?php
$results = $mysqli->query("SELECT idgaleria, nombres, descripcion, imagen FROM galeria");
if($results){ 

//fetch results set as object and output HTML
$products_item="";
//../vistas/img/galeria/fish/fish.jpg18-11-18-02-11-28534.jpg
while($obj = $results->fetch_object())
{
$products_item .= <<<EOT
<div class="gallery-grids-row">
    <div class="col-md-3 gallery-grid">
        <div class="wpf-demo-4">  
            <a href="{$obj->imagen}" class="jzBoxLink item-hover" title="SPOT">  
                <img src="{$obj->imagen}" alt=" " class="img-responsive" />
                    <div class="view-caption">
                        <p>Zoom</p>
                    </div> 
            </a>            
        </div>
    </div>
</div>
EOT;
}
echo $products_item;
echo "<br/>"; // puedes agregarle varios, si quieres, según creas conveniente


}
include"pie.php";

?>  

In case you want to deepen your knowledge on the label, I leave you the official documentation: Label BR