我不能让CSS carousel中的一些图像链接工作。我认为大多数图像都阻塞了图像链接，因为当我将图像链接从底层图像的区域移开时，链接实际上是工作的。我在CSS代码中尝试了z-index，但不起作用。

/* colorDissolve  */

.colorDissolve {
  position: relative;
  max-width: 95vh;
  height: 76vh;
  left: 50%;
  transform: translateX(-50%);
}

.colorDissolve .item {
  position: absolute;
  text-align: center;
  opacity: 0;
  -webkit-animation: colorDissolve 21s linear infinite;
  -moz-animation: colorDissolve 21s linear infinite;
  -ms-animation: colorDissolve 21s linear infinite;
  animation: colorDissolve 21s linear infinite;
}

.colorDissolve .item:nth-child(2) {
  -webkit-animation-delay: 9s;
  -moz-animation-delay: 9s;
  -ms-animation-delay: 9s;
  animation-delay: 9s;
}

.colorDissolve .item:nth-child(3) {
  -webkit-animation-delay: 15s;
  -moz-animation-delay: 15s;
  -ms-animation-delay: 15s;
  animation-delay: 15s;
}

.span1aa {
  position: absolute;
  margin: 0;
  top: 25%;
  left: 27%;
  transform: translate(-50%, -50%);
}

/*image link not clicking*/

.span1aa a img {
  width: 66%;
  position: relative;
  z-index: 2;
}

/*bottom? image*/

.item img {
  z-index: 1;
}

.span1a {
  position: absolute;
  margin: 0;
  top: 71%;
  left: 27%;
  transform: translate(-50%, -50%);
}

.span1a a img {
  width: 62%;
}

.span1 {
  position: absolute;
  margin: 0;
  top: 30%;
  left: 72%;
  transform: translate(-50%, -50%);
}

.span1 a img {
  width: 95%;
}

@-webkit-keyframes colorDissolve {
  0%,
  25%,
  100% {
    opacity: 0;
  }
  4.17%,
  20.84% {
    opacity: 1;
  }
}

@-moz-keyframes colorDissolve {
  0%,
  25%,
  100% {
    opacity: 0;
  }
  4.17%,
  20.84% {
    opacity: 1;
  }
}

@-ms-keyframes colorDissolve {
  0%,
  25%,
  100% {
    opacity: 0;
  }
  4.17%,
  20.84% {
    opacity: 1;
  }
}

@keyframes colorDissolve {
  0%,
  25%,
  100% {
    opacity: 0;
  }
  4.17%,
  20.84% {
    opacity: 1;
  }
}

个字符
我这里有一个代码：https://codepen.io/emilysarah1/pen/GReoEzo