WordPress searchform.phpのデフォルト

<form role="search" method="get" id="searchform" action="<?php echo home_url( '/' ); ?>">
  <div>
    <label class="screen-reader-text" for="s">Search for:</label>
    <input type="text" value="" name="s" id="s">
    <input type="submit" id="searchsubmit" value="Search">
  </div>
</form>