css加载动画落点

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html

css

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html

css

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  width: 100%;
  height: 100vh;
  background: #270045;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

.container {
  width: 400px;
  height: 200px;
  display: grid;
  place-items: center;
}
.container .loader {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}
.container .loader .l {
  position: relative;
  width: 30px;
  height: 30px;
  background: transparent;
  margin: 0 15px;
}
.container .loader .l:after, .container .loader .l:before {
  content: '';
  position: absolute;
  width: 30px;
  height: 30px;
  left: 0;
  top: 0;
  border-radius: 50%;
  box-shadow: 0 0 2px rgba(0, 0, 0, 0.1);
}
.container .loader .l:after {
  transform: translateY(-500%);
  animation: fall_after 2s cubic-bezier(0.75, -0.4, 0, 1.6) infinite;
  animation-delay: calc( 1s - ( 0.15s * ( var(--index)) ) );
}
.container .loader .l:before {
  transform: translateY(0%);
  animation: fall_before 2s cubic-bezier(0.75, -0.4, 0, 1.6) infinite;
  animation-delay: calc( 1s - ( 0.15s * ( var(--index)) ) );
}
.container .loader .l._1:after, .container .loader .l._1:before {
  background: linear-gradient(to bottom, #faa000 0, #dc6302 100%);
}
.container .loader .l._2:after, .container .loader .l._2:before {
  background: linear-gradient(to bottom, #fd0020 0, #c10018 100%);
}
.container .loader .l._3:after, .container .loader .l._3:before {
  background: linear-gradient(to bottom, #00aefc 0, #007bb2 100%);
}
.container .loader .l._4:after, .container .loader .l._4:before {
  background: linear-gradient(to bottom, #a800fd 0, #4f1dd4 100%);
}

@keyframes fall_before {
  100% {
    transform: translateY(500%);
  }
}
@keyframes fall_after {
  100% {
    transform: translateY(0%);
  }
}
.support {
  position: absolute;
  right: 10px;
  bottom: 10px;
  padding: 10px;
  display: flex;
}

a {
  width: 40px;
  height: 40px;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 50%;
  position: relative;
  margin: 0 10px;
  color: #fff;
  font-size: 1.5rem;
  transition: all 400ms ease;
}

a:hover {
  background: #fff;
  color: #222;
}

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