css-clip

.assistive-text, 
.site .screen-reader-text {
  position: absolute !important;
  clip: rect(1px 1px 1px 1px);
}

php-div-height

<section id="primary" class="site-content">
  <div id="content" role="main">
    <?php if ( have_posts() ) : ?>
      <div style="height:15px;"></div>
      <h2>Заголовок</h2>
      /*...*/
  </div>
</section>

php-hgroup

<td style="vertical-align:top; width:220px; border-bottom: 1px solid #dfdfdf;">
  <h2 class="site-description" style="font-size: 80%; line-height: 110%; position: relative; top: 15px;">Заголовок</h2>
  </hgroup>
</td>