问CSS相对定位在移动视图上不起作用

EN

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div.relative {
    position: relative;
    left: 850px;
    bottom: 270px;
    border: 3px solid #73AD21;
}

    <div class="panel-body">
<div class="col-md-12">               
<?php $the_query = new WP_Query( 'showposts=11&orderby=date&order=DESC' ); ?>

  <?php while ($the_query -> have_posts()) : $the_query -> the_post(); ?>       
<div class="col-lg-3 col-md-3 col-sm-4 col-hs-6">
                <?php
                    /* Include the Post-Format-specific template for the content.
                     * If you want to override this in a child theme, then include a file
                     * called content-___.php (where ___ is the Post Format name) and that will be used instead.
                     */
                    get_template_part( 'content', get_post_format() );
                ?>
</div>

<?php endwhile; ?>
</div> 
</div> 
</div>
</div>