Продление фона шапки

    <div  class="header">
        <div class="logotype">
            <h1><a href="/"><img src="{THEME}/images/logo.png" alt="111" /></a></h1>
        </div>
        <div class="banner_header">{banner_header}</div>
    </header>
    <nav>
      <div class="container">
        <ul>
          <li class="blue"><a href="/">111</a></li>
          <li class="blue"><a href="/market.html">111</a></li>
          <li class="blue"><a href="index.html">111</a></li>
          <li class="blue"><a href="index.html">111</a></li>
          <li class="blue"><a href="index.html">111</a></li>
          <li class="blue"><a href="index.html">111</a></li>
          <li class="blue"><a href="/?do=feedback">111</a></li>
        </ul>
        <form method="post" action=''>
                <input type="hidden" name="do" value="search" />
                <input type="hidden" name="subaction" value="search" />
            <div class="search">
                <input type="text" value="" placeholder="Быстрый поиск по сайту..." name="story" id="story" />
                <input type="submit" id="searchSend" value="Поиск"/>
            </div>
        </form>
      </div>
    </nav>

class="logotype"