How can I change Bootstrap carousel indicators into dots?

Question

I am using Bootstrap 4 Beta 2 version to do a carousel. The code looks like below:

                <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>

And the carousel indicator show as lines:

Is there a way I can change the indicators into dots instead of lines? I would assume it is an bootstrap option but I didn't find that relevant document. Do I need to write custom css for that?

Answer 1

Yes, I think you need to write custom CSS for doing lines into dots.
You just need to override two properties (width and height) and add a new one, border-radius, to .carousel-indicators li.
Make width and height values equal eg: 10px each and give a border-radius of 100%.

.carousel-indicators li {
  width: 10px;
  height: 10px;
  border-radius: 100%;
}

Answer 2

I had to include .carousel for it to work properly.

.carousel .carousel-indicators li {
   width: 10px;
  height: 10px;
  border-radius: 100%;
}

Answer 3

In bootstrap 5 if you change what's in the comments it works.

.carousel-indicators [data-bs-target] {
    box-sizing: content-box;
    flex: 0 1 auto;
    width: 10px; /* change width */
    height: 10px; /* change height */
    padding: 0;
    margin-right: 3px;
    margin-left: 3px;
    text-indent: -999px;
    cursor: pointer;
    background-color: #fff;
    background-clip: padding-box;
    border: 0;
    border-top: 10px solid transparent;
    border-bottom: 10px solid transparent;
    opacity: .5;
    transition: opacity .6s ease;
    border-radius: 100%; // /* add border-radius */
}

Example: image of dots