将正确的类名添加到下面的列表，将其转换为面包屑导航。
<ul class="@(10)"> <li class="@(15)"><a href="#">Photos</a></li> <li class="@(15)"><a href="#">Italy</a></li> <li class="@(15)"><a href="#">Rome</a></li> </ul>
<ul class="breadcrumb"> <li class="breadcrumb-item"><a href="#">Photos</a></li> <li class="breadcrumb-item"><a href="#">Italy</a></li> <li class="breadcrumb-item"><a href="#">Rome</a></li> </ul>