我是网络开发的新手,自学了一年,最近开始了 udacity 纳米学位类(class)。我正在使用 bootstrap 4 构建网页,我想使用轮播作为标题,但轮播不会缩小到视口(viewport)或屏幕大小,图像比所需的大得多,尤其是在桌面上。
代码源https://github.com/djneill/mbbjj?files=1
演示页面 http://dninstalls.com/blankbootstrap/
/*Carousel CSS */
.carouselHeader{background: #655e5d}
.carousel {
background-color: red;
margin: auto;
}
.carousel,.item,.active {
margin: auto;
height: 100%;
}
.carousel-item {
margin: auto;
background: no-repeat center center scroll;
background-size: cover;
-webkit-background-size: cover;
-moz-background-size: cover;
-o-background-size: cover;
}
.carousel-inner {
margin: auto;
height: 100%;
background: no-repeat center center scroll;
-webkit-background-size: cover;
-moz-background-size: cover;
-o-background-size: cover;
background-size: cover;
}
<!-- Carousel Header -->
<header id="carouselHeader" class="page-header">
<div id="carouselExampleIndicators" class="carousel slide mastheads" data-ride="carousel">
<ol class="carousel-indicators">
<li data-target="#carouselExampleIndicators" data-slide-to="0" class="active"></li>
<li data-target="#carouselExampleIndicators" data-slide-to="1"></li>
<li data-target="#carouselExampleIndicators" data-slide-to="2"></li>
<li data-target="#carouselExampleIndicators" data-slide-to="3"></li>
</ol>
<div class="carousel-inner">
<!-- Carousel image 1 -->
<div class="carousel-item active">
<img class="d-block w-100" src="assets/mbbj%20kids.png" alt="First slide">
</div>
<!-- Carousel image 2 -->
<div class="carousel-item">
<img class="d-block w-100" src="assets/mbjj%20kids2.png" alt="Second slide">
</div>
<!-- Carousel image 3 -->
<div class="carousel-item">
<img class="d-block w-100" src="assets/mbjj%20adult.png" alt="Third slide">
</div>
<!-- Carousel image 4 -->
<div class="carousel-item">
<img class="d-block w-100" src="assets/mbjj%20comp.png" alt="Third slide">
</div>
</div>
<a class="carousel-control-prev" href="#carouselExampleIndicators" 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="#carouselExampleIndicators" role="button" data-slide="next">
<span class="carousel-control-next-icon" aria-hidden="true"></span>
<span class="sr-only">Next</span>
</a>
</div>
</header>
最佳答案
您可以调整 carousel wrapper 高度以降低其高度。这是最简单快捷的方法。您可以按以下方式进行:
.carousel{
max-height: calc(100vh - 81px);
overflow: hidden;
}
这里,81px
是页眉的高度。所以您可以相应地进行调整。
关于javascript - Bootstrap 4 旋转木马不会缩小以适应视口(viewport),我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/48514447/