Replace bootstrap class with newspaper css class

hello guys, i tried to use users list code as custom page and I need your help to how to replace bootstrap class with right newspaper css class? is there any mapping to understand this? or how to retrieve data to model or blocks if available?

Returned Code:

<div class="col-xs-6 col-sm-3 col-md-2 post">
                    <a>author/<?php echo $user->ID?>/">
                        <?php echo get_avatar($user->ID); ?>
                    </a>
                    <h4><a>author/<?php echo $user->ID ?>/"><?php echo $user->display_name ?></a></h4>
                </div>

or

<div class="container">
<div class="row">
<div class="col-xs-12 col-sm-6 col-md-4">
                            <div class="post">
                                <a>">
                                    <?php echo get_avatar(get_the_author_id()); ?> 
                                </a>
                                <div class="author">
                                    <?php the_author_posts_link() ?>
                                </div>
                                <h4>
                                    <a>">
                                        <?php the_title() ?>
                                    </a>
                                </h4>
								   </div>
    </div>
	   </div>
    </div>

• This topic was modified 7 years by Mido.