我试图在旋转木马内图像的末尾放置一个蓝色边框,但我做不到,这是我的旋转木马HTML代码。你怎么能加上边界?,图片的上边框是蓝色的,同样的边框必须在图片后的底部,请帮忙这是我的CSS和HTML代码
<div class="row fila2">
<!----inicio columna 2----->
<div class="col-12 imagenesc">
<!----inicio carousel----->
<div id="carouselExampleIndicators" class="carousel slide" data-ride="carousel">
<div class="carousel-inner" role="listbox">
<div class="carousel-item active">
<img class="d-block img-fluid" src="imagenes/20130819180556.jpg" alt="First slide">
</div>
<div class="carousel-item">
<img class="d-block img-fluid" src="imagenes/20130819180644.jpg" alt="Second 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">Nextborder</span>
</a><!----fin carousel----->
</div>
</div>