bootstrap 4 旋转木马标题在小型设备上不可见
bootstrap 4 carousel caption is not visible on small devices
我正在练习 bootstrap [=12th=] 中给出的 4 个轮播示例。在移动设备或小屏幕上测试轮播字幕时不可见。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 today</a></p>
</div>
</div>
</div>
<div class="carousel-item">
<img class="second-slide" src="data:image/gif;base64,R0lGODlhAQABAIAAAHd3dwAAACH5BAAAAAAALAAAAAABAAEAAAICRAEAOw==" alt="Second slide">
<div class="container">
<div class="carousel-caption d-none d-md-block">
<h1>Another 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">Learn more</a></p>
</div>
</div>
</div>
<div class="carousel-item">
<img class="third-slide" src="data:image/gif;base64,R0lGODlhAQABAIAAAHd3dwAAACH5BAAAAAAALAAAAAABAAEAAAICRAEAOw==" alt="Third slide">
<div class="container">
<div class="carousel-caption d-none d-md-block text-right">
<h1>One more for good measure.</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">Browse gallery</a></p>
</div>
</div>
</div>
</div>
<a class="carousel-control-prev" href="#myCarousel" role="button" data-slide="prev">
<span class="carousel-control-prev-icon" aria-hidden="true"></span>
<span class="sr-only">Previous</span>
</a>
<a class="carousel-control-next" href="#myCarousel" role="button" data-slide="next">
<span class="carousel-control-next-icon" aria-hidden="true"></span>
<span class="sr-only">Next</span>
</a>
</div>
从所有carousel-caption
class中删除classes d-none d-md-block
,class d-none
给标题一个显示none 和 class d-md-block
为 md 及以上屏幕显示块。
注意:如果您的字幕中有很多文字,您可能需要在较小的屏幕上调整文字大小以适应所有内容。
这是你应该做的:
- 移除 class
d-none.
- 移除 class
d-md-block.
与 Bootstrap 轮播的 carousel-caption
class 关联。
实际上,只需删除 class“d-none”即可。
我正在练习 bootstrap [=12th=] 中给出的 4 个轮播示例。在移动设备或小屏幕上测试轮播字幕时不可见。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 today</a></p>
</div>
</div>
</div>
<div class="carousel-item">
<img class="second-slide" src="data:image/gif;base64,R0lGODlhAQABAIAAAHd3dwAAACH5BAAAAAAALAAAAAABAAEAAAICRAEAOw==" alt="Second slide">
<div class="container">
<div class="carousel-caption d-none d-md-block">
<h1>Another 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">Learn more</a></p>
</div>
</div>
</div>
<div class="carousel-item">
<img class="third-slide" src="data:image/gif;base64,R0lGODlhAQABAIAAAHd3dwAAACH5BAAAAAAALAAAAAABAAEAAAICRAEAOw==" alt="Third slide">
<div class="container">
<div class="carousel-caption d-none d-md-block text-right">
<h1>One more for good measure.</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">Browse gallery</a></p>
</div>
</div>
</div>
</div>
<a class="carousel-control-prev" href="#myCarousel" role="button" data-slide="prev">
<span class="carousel-control-prev-icon" aria-hidden="true"></span>
<span class="sr-only">Previous</span>
</a>
<a class="carousel-control-next" href="#myCarousel" role="button" data-slide="next">
<span class="carousel-control-next-icon" aria-hidden="true"></span>
<span class="sr-only">Next</span>
</a>
</div>
从所有carousel-caption
class中删除classes d-none d-md-block
,class d-none
给标题一个显示none 和 class d-md-block
为 md 及以上屏幕显示块。
注意:如果您的字幕中有很多文字,您可能需要在较小的屏幕上调整文字大小以适应所有内容。
这是你应该做的:
- 移除 class
d-none.
- 移除 class
d-md-block.
与 Bootstrap 轮播的 carousel-caption
class 关联。
实际上,只需删除 class“d-none”即可。