我想将我的轮播标题放在引导程序 4 上，但我找不到方法。没有什么对我有用。我尝试align-items-center justify-content-center text-center在我的carousel-itemor上添加添加，carousel-caption但没有任何效果。
body {
overflow-x: hidden;
height: 100%
}
.carousel-item:after {
content: "";
display: block;
position: absolute;
top: 0;
bottom: 0;
left: 0;
right: 0;
background: rgba(0, 0, 0, 0.7);
}
.carousel-item {
height: 100vh;
}
.carousel-image-1 {
background: url('../images/miami1.jpeg');
background-size: cover;
}
.carousel-image-2 {
background: url('../images/miami2.jpeg');
background-size: cover;
}
.carousel-image-3 {
background: url('../images/miami3.jpeg');
background-size: cover;
} <div id="myCarousel" class="carousel slide" data-ride="carousel">
<ol class="carousel-indicators">
<li data-target="#myCarousel" data-slide-to="0"></li>
<li data-target="#myCarousel" data-slide-to="1" class="active"></li> …