【怎样让轮播图下面的小圆点，当点击的时候切换到另一张图片时背景颜色能变成白色？ _轮播 _表单元素】

怎样让轮播图下面的小圆点，当点击的时候切换到另一张图片时背景颜色能变成白色？
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轮播表单元素
详细描述
截图
代码
css：
/*轮播图*/
.carousel{
  position: relative;
  width: 100%;
  overflow: hidden;
}
.carousel-open:checked + .carousel-item {
  position: relative;
  opacity: 1;
}
.carousel-item {
  position: absolute;
  opacity: 0;
  transition: opacity 0.6s ease-out;
}
.carousel-control {
  background: rgba(0, 0, 0, 0.28);
  border-radius: 50%;
  color: #fff;
  cursor: pointer;
  display: none;
  font-size: 40px;
  height: 40px;
  line-height: 35px;
  position: absolute;
  top: 50%;
  cursor: pointer;
  transform: translate(0, -50%);
  text-align: center;
  width: 40px;
  z-index: 10;
}
.carousel-control.prev {
  left: 2%;
}
.carousel-control.next {
  right: 2%;
}
#carousel-1:checked ~ .control-1,
#carousel-2:checked ~ .control-2,
#carousel-3:checked ~ .control-3,
#carousel-4:checked ~ .control-4,
#carousel-5:checked ~ .control-5{display: block}
.carousel-item img {
  display: block;
  height: auto;
  max-width: 100%;}
.instructions{
  position: absolute;
  margin:0 auto;
  bottom: 10px;
  left: 0;
  right: 0;
  width: 90px;
  li{display: inline-block}
}
.bullet{display: inline-block;
  width: 10px;
  height: 10px;
  margin: 1px;
  cursor: pointer;
  background-color: rgba(0,0,0,0);
  border: 1px solid #fff;
  border-radius: 10px;}

html：   <div class="carousel">
        <input class="carousel-open" type="radio" id="carousel-1" name="carousel" aria-hidden="true" hidden="" checked="checked">
        <div class="carousel-item">
            <img src="../image/2.png">
        </div>
        <input class="carousel-open" type="radio" id="carousel-2" name="carousel" aria-hidden="true" hidden="">
        <div class="carousel-item">
            <img src="../image/3.png">
        </div>
        <input class="carousel-open" type="radio" id="carousel-3" name="carousel" aria-hidden="true" hidden="">
        <div class="carousel-item">
            <img src="../image/4.png">
        </div>
        <input class="carousel-open" type="radio" id="carousel-4" name="carousel" aria-hidden="true" hidden="">
        <div class="carousel-item">
            <img src="../image/5.jpg">
        </div>
        <input class="carousel-open" type="radio" id="carousel-5" name="carousel" aria-hidden="true" hidden="">
        <div class="carousel-item">
            <img src="../image/6.jpg">
        </div>
        <label for="carousel-5" class="carousel-control prev control-1">‹</label>
        <label for="carousel-2" class="carousel-control next control-1">›</label>
        <label for="carousel-1" class="carousel-control prev control-2">‹</label>
        <label for="carousel-3" class="carousel-control next control-2">›</label>
        <label for="carousel-2" class="carousel-control prev control-3">‹</label>
        <label for="carousel-4" class="carousel-control next control-3">›</label>
        <label for="carousel-3" class="carousel-control prev control-4">‹</label>
        <label for="carousel-5" class="carousel-control next control-4">›</label>
        <label for="carousel-4" class="carousel-control prev control-5">‹</label>
        <label for="carousel-1" class="carousel-control next control-5">›</label>
        <ol class="instructions">
            <li>
                <label for="carousel-1" class="bullet"></label>
            </li>
            <li>
                <label for="carousel-2" class="bullet"></label>
            </li>
            <li>
                <label for="carousel-3" class="bullet"></label>
            </li>
            <li>
                <label for="carousel-4" class="bullet"></label>
            </li>
            <li>
                <label for="carousel-5" class="bullet"></label>
            </li>
        </ol>
    </div>
编辑于2024-11-16