Drupal search block customizing

I have my block template block.tpl.php

<div class="block">
    <?php print $content ?>
</div>

And I want to change block wrapper for search form

<div class="block search">
    <?php print $content ?>
</div>

I'm trying to use block-search.tpl.php but it do开发者_运维知识库esn't work

---

There is a feature in Drupal - you can override specific template(block-search.tpl.php) in theme when you override general template(block.tpl.php).

Other thing is that probably your cache is not cleared - try

And here you have some nice description how to check other things that could failed.