index

     <div class="sliderWrap">
       <ul class="slider">
                <li><img alt="画像1" src="<?php echo esc_url(get_theme_file_uri('img/test01.jpg')); ?>" class="sliderimg"/></li>
                <li><img alt="画像2" src="<?php echo esc_url(get_theme_file_uri('img/test02.jpg')); ?>" class="sliderimg"/></li>
                <li><img alt="画像3" src="<?php echo esc_url(get_theme_file_uri('img/test03.jpg')); ?>" class="sliderimg"/></li>
              </ul>
         </div>