Arc-hive-omeka-theme/view/common/hero-collections.phtml

<section class="hero omeka collections-all">
  <main class="slides">
    <?php if ($this->themeSetting('logo')): ?>
      <section class="slide">
        <figure>
          <img src="<?php echo $this->themeSettingAssetUrl('logo'); ?>"
               title="<?php echo $site->title(); ?>"
               alt="<?php echo $site->title(); ?>"
               class="logo" />
        </figure>
      </section>
    <?php else: ?>
    <section class="slide">
        <figure>
          <img src="<?php echo $this->assetUrl('img/ARC-HIVE-logo.svg');?>"
               title="an arc-hive project"
               alt="arc-hive logo"
               class="logo" />
        </figure>
    </section>
    <?php endif; ?>

  </main>
  <aside>
    <h2 class="site-title">
      <a href="<?= $this->site->url() ?>">
        <?= $this->site->title() ?>
      </a>
    </h2>
    <nav class="">
      <?php echo $this->partial('common/search-form.phtml'); ?>
    </nav>
  </aside>
</section>