вот конструкция моего меню..
<div class='block_info_main'>
<div class='first'>
<span class='info orange'>Информация</span>
<div class='main'>
<span class='info_show show '>текст1</span>
</div>
</div>
<div class='first'>
<span class='info orange'>Информация2</span>
<div class='main'>
<span class='info_show '>текст2</span>
</div>
</div>
<div class='first'>
<span class='info orange'>Информация3</span>
<div class='main'>
<span class='info_show '>текст3</span>
</div>
</div>
</div>