我正在练习http://v4-alpha.getbootstrap.com/examples/中给出的bootstrap 4 carousal示例.在为移动设备或小屏幕测试时,看不到carousal标题.请帮忙.
<div id="myCarousel" class="carousel slide" data-ride="carousel">
<ol class="carousel-indicators">
<li data-target="#myCarousel" data-slide-to="0" class="active"></li>
<li data-target="#myCarousel" data-slide-to="1"></li>
<li data-target="#myCarousel" data-slide-to="2"></li>
</ol>
<div class="carousel-inner" role="listbox">
<div class="carousel-item active">
<img class="first-slide" src="data:image/gif;base64,R0lGODlhAQABAIAAAHd3dwAAACH5BAAAAAAALAAAAAABAAEAAAICRAEAOw==" alt="First slide">
<div class="container">
<div class="carousel-caption d-none d-md-block text-left">
<h1>Example headline.</h1>
<p>Cras justo odio, dapibus ac facilisis in, egestas eget quam. Donec id elit non mi porta gravida at eget metus. Nullam id dolor id nibh ultricies vehicula ut id elit.</p>
<p><a class="btn btn-lg btn-primary" href="#" role="button">Sign up …