Bootstrap学习笔记（九） 进度条

以下是三种进度条：

<div class="progress">
    <div class="progress-bar progress-bar-success" style="50%">50%</div>
</div>

<div class="progress">
    <div class="progress-bar progress-bar-danger progress-bar-striped" style="50%">50%            </div>
</div>

<div class="progress">
    <div class="progress-bar progress-bar-info progress-bar-striped active" style="50%">50%</div>
    </div>
</div>
# progress-bar-striped 加上斜纹
# active 激活 动态的