MyMac

min-width: 768px !important;

@media only screen and (max-width: 768px)
.container {
    width: 100% !important;
}

@media only screen and (max-width: 768px)
.container {
    width: 100% !important;
    min-width: inherit!important;
}

<?
if($arItem["PREVIEW_PICTURE"])
{
echo '<img src="'.$arItem["PREVIEW_PICTURE"]["SRC"].'" width="'.$arItem["PREVIEW_PICTURE"]["WIDTH"].'"  height="'.$arItem["PREVIEW_PICTURE"]["HEIGHT"].'">';
}

?>