File: /var/www/html/wp-content/plugins/advanced-ads-responsive/modules/amp/admin/views/ad-params.php
<label class="label"><?php _e( 'Attributes', 'advanced-ads-responsive' ); ?></label>
<div style="float:none; overflow:auto;">
<table id="advads-amp-props" class="widefat">
<thead>
<tr>
<th><?php _e( 'Name', 'advanced-ads-responsive' ) ?></th>
<th><?php _e( 'Value', 'advanced-ads-responsive' ) ?></th>
<th></th>
</tr>
</thead>
<tbody>
<?php
foreach ( $attributes as $_attrubute => $_data ): ?>
<tr class="advads-amp-prop-row">
<td><input class="large-text" type="text" name="advanced_ad[amp][attributes][]" value="<?php echo esc_attr( $_attrubute ); ?>" /></td>
<td><textarea class="large-text" name="advanced_ad[amp][data][]"><?php echo esc_textarea( $_data ); ?></textarea></td>
<td><button type="button" class="advads-amp-delete-prop button">x</button></td>
</tr>
<?php
endforeach;
?>
<tr>
<td colspan="3">
<button type="button" class="button button-primary" id="advads-amp-add-prop">
<i class="dashicons dashicons-plus-alt" style="vertical-align: middle;"></i> <?php _e( 'Add attribute', 'advanced-ads-responsive' ); ?>
</button>
</tr>
</tbody>
</table>
</div>
<hr />
<label class="label"><?php _e( 'Fallback', 'advanced-ads-responsive' ); ?></label>
<div style="float:none; overflow:auto;">
<textarea class="large-text" name="advanced_ad[amp][fallback]"><?php echo esc_textarea( $fallback); ?></textarea>
<p class="description"><?php _e( ' If supported by the ad network, this text is shown if no ad is available for the ad slot', 'advanced-ads-responsive' ); ?></p>
</div>
<hr />