加载动画

.markdown

加载动画

A Pen by 陶然然 on CodePen.

License.

index.html

<div class="container">
  <div class="circle"></div>
  <div class="circle"></div>
  <div class="circle"></div>
</div>

style.css

.container {
  height: 100px;
  padding-left: 40px;
  margin-top: 40px;
}
.circle {
  margin: 20px;
  height: 50px;
  width: 50px;
  border-radius: 50%;
  display: inline-block;
  transform: scale(0);
  animation: bulge 2s infinite ease-in-out;
}
.circle::after {
  position: absolute;
  display: inline-block;
  content: "";
  height: 100%;
  width: 100%;
  border-radius: 50%;
  background-color: inherit;
  top: 0;
  left: 0;
  z-index: -1;
  transform: scale(1);
  animation: blow 2s infinite ease-in-out;
}
.circle:nth-child(1) {
  background-color: #4695b8;
  animation-delay: 0s;
}
.circle:nth-child(2) {
  background-color: #67a142;
  animation-delay: 0.25s;
}
.circle:nth-child(3) {
  background-color: #8fc0a7;
  animation-delay: 0.5s;
}
@keyframes bulge {
  50% {
    transform: scale(1);
  }
}
@keyframes blow {
  25% {
    opacity: 0.5;
  }
  50% {
    opacity: 0.5;
  }
  90% {
    opacity: 0;
  }
  100% {
    transform: scale(2);
    opacity: 0;
  }
}