A Pen by A Non Ymous.

index.html

<div id="post-<?php the_ID(); ?>" class="post-flyout">
	<div class="post-flyout_thumb"><?php echo $thumb; ?></div>
    <div class="post-flyout_content">
    	<h3 class="post-flyout_title"><a href="<?php the_permalink(); ?>" title="<?php echo esc_attr( the_title_attribute( 'echo=0' ) ); ?>" rel="bookmark"><?php the_title(); ?></a></h3>
        <p class="post-flyout_byline">By <?php the_author(); ?> on <?php the_date(); ?></p>
        <p class="post-flyout_desc"><?php the_excerpt(); ?></p>
    </div>
</div><!-- #post-<?php the_ID(); ?> -->

style.css

div.posts-by-tag-item.Buzz:hover div.post-flyout {
	display: block;
}
.post-flyout {
	width:100%;
	max-width:500px;
	display: none;
	position: absolute;
	left: 380px;
	bottom: 1px;
	padding: 10px;
	border: none;
	background: #333;
	z-index: 999;
	color: #fff;
}
.post-flyout_thumb {
	float:left;
	max-width:100px;
	height:auto;
}
.post-flyout_content {
	float:left;
	margin-left:15px;
}
.post-flyout_title {
	font-family:'Oswald', sans-serif;
	font-size: 14px;
	color:#fff;
}
.post-flyout_byline {
	font-size:12px;
}
.post-flyout_desc {
	font-size:12px;
}

usHIF.markdown

usHIF

A Pen by A Non Ymous on CodePen.

License.