<div class="container">
    <!-- 
        list-group                列表组 给ul添加
        list-group-item              列表项 给li添加
    -->
    <div class="row">
        <div class="col-lg-5">
            <ul class="list-group">
                <li class="list-group-item">html</li>
                <li class="list-group-item list-group-item-info">css</li>
                <li class="list-group-item list-group-item-danger">javascript</li>
                <li class="list-group-item">html5/css3</li>
            </ul>
        </div>
        <!--给每个列表项添加标记，标记自动到右边 -->
        <div class="col-lg-5">
            <ul class="list-group">
                <li class="list-group-item">html<span class="badge">1</span></li>
                <li class="list-group-item">css<span class="badge">11</span></li>
            </ul>
        </div>
    </div>

    <!--用a标签做的列表组，可添加状态-->
    <div class="row">
        <div class="col-lg-5">
            <div class="list-group">
                <a href="#" class="list-group-item active">html</a>
                <a href="#" class="list-group-item disabled">css</a>
                <a href="#" class="list-group-item">javascript</a>
            </div>
        </div>
        <!--添加标题与段落的列表组 -->
        <div class="col-lg-5">
            <ul class="list-group">
                <li class="list-group-item active">
                    <h4 class="list-group-item-heading">school学习</h4>
                    <p class="list-group-item-text">学习网站很多很多很多很多很多</p>
                </li>
                <li class="list-group-item">
                    <h4 class="list-group-item-heading">school学习</h4>
                    <p class="list-group-item-text">学习网站很多很多很多很多很多</p>
                </li>
            </ul>
        </div>
    </div>
</div>