uswds_base-8.x-2.0-alpha1/templates/block/block--search-form-block.html.twig

{#
/**
 * @file
 * Theme override for the search form block.
 *
 * Available variables:
 * - plugin_id: The ID of the block implementation.
 * - label: The configured label of the block if visible.
 * - configuration: A list of the block's configuration values, including:
 *   - label: The configured label for the block.
 *   - label_display: The display settings for the label.
 *   - provider: The module or other provider that provided this block plugin.
 *   - Block plugin specific settings will also be stored here.
 * - content: The content of this block.
 * - attributes: A list HTML attributes populated by modules, intended to
 *   be added to the main container tag of this template. Includes:
 *   - id: A valid HTML ID and guaranteed unique.
 * - title_attributes: Same as attributes, except applied to the main title
 *   tag that appears in the template.
 * - title_prefix: Additional output populated by modules, intended to be
 *   displayed in front of the main title tag that appears in the template.
 * - title_suffix: Additional output populated by modules, intended to be
 *   displayed after the main title tag that appears in the template.
 *
 * @see template_preprocess_block()
 * @see search_preprocess_block()
 */
#}
<form class="usa-search usa-search-small" action="/search/node" method="get" id="search-block-form" accept-charset="UTF-8">
  <div role="search">
    {% if title is not empty or required -%}
      <label class="usa-sr-only">{{ title }}</label>
    {%- endif %}

    <input class="usa-input" id="extended-search-field-small" type="search" name="search" />
    <button class="usa-button" type="submit"><span class="usa-sr-only">Search</span></button>
  </div>
</form>