HTML
<body>
<div>div标题</div>
<div class="h1 bg-success text-danger">H1</div>
<div class="h2 bg-danger text-white-50">H2</div>
<div class="h3 bg-danger text-white-50">H3</div>
<div class="h4 bg-danger text-white-50">H4</div>
<div class="h5 bg-danger text-white-50">H5</div>
<div class="h6 bg-danger text-white-50">H6</div>
<!-- display-1和h1的区别：bootstrap的h1和h2之间有盒间距，并且盒子比较小，
bootstrap的display-1和display-2之间没有盒间距
并且bootstrap的display-1盒子更大 -->
<div class="display-1 bg-primary">display-1</div>
<div class="display-2 bg-danger">display-2</div>
<div class="display-3 bg-success">display-3</div>
<div class="display-4 bg-primary">display-4</div>
<div class="display-5 bg-danger">display-5</div>
<div class="display-6 bg-success">display-6</div>
<!-- 去掉li前面的圆点和左内边距 -->
<ul class="list-unstyled">
<li>1</li>
<li>2</li>
<li>3</li>
<li>4</li>
<li>5</li>
</ul>
</body>
bootstrap中H1和display-1的区别
bootstrap中list-unstyled的作用
before
after
