검색창의 길이를 조절하려합니다. (옆으로 더 길어지게..

어디를 고쳐 줘야할까요?

<form action="{getUrl()}" method="post" >
            <input type="hidden" name="mid" value="{$mid}" />
            <input type="hidden" name="act" value="IS" />
            <input type="hidden" name="search_target" value="title_content" />
            <input name="is_keyword" type="text" class="inputText" title="keyword" width="10px" style="border:solid 1px #898989 "/>

            <input type="image" src="./images/{$layout_info->colorset}/find.jpg" alt="{$lang->cmd_search}" class="submit" />
        </form>