css摆动

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html

css

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html

css

:root {
  --size: 60vh;
  --borderS: calc(var(--size) / 10);
  --ballSize: calc(var(--size) / 5);
  --rightCorrected: calc(var(--size) / 13.33);
}

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

body {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background-color: #181818;
}

.container {
  position: relative;
  -webkit-box-reflect: below 1px linear-gradient(transparent, #0002);
}

.arc {
  width: var(--size);
  height: var(--size);
  border-radius: 50%;
  border: var(--borderS) solid transparent;
  border-bottom-color: #f00;
  border-right-color: #00f;
  transform: rotate(45deg);
  animation: spin 4s ease-in-out infinite;
}

@keyframes spin {
  0%,
  100% {
    transform: rotate(0);
  }
  50% {
    transform: rotate(90deg);
  }
}

.ball {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  animation: spinBall 4s ease-in-out infinite;
}

@keyframes spinBall {
  0%,
  100% {
    transform: rotate(0);
  }
  50% {
    transform: rotate(180deg);
  }
}

.ball::before {
  content: "";
  position: absolute;
  bottom: 50%;
  right: var(--rightCorrected);
  width: var(--ballSize);
  height: var(--ballSize);
  transform: translateY(-50%);
  background: lightgray;
  box-shadow: -2px -2px 4px 4px rgba(0, 0, 0, 0.75),
    inset 6px 4px 10px 2px black;
  border-radius: 50%;
}

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