CSS加载动画

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html

css

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html

css

/* KEYFRAMES */

@keyframes spin {
  from {
    transform: rotate(0);
  }
  to{
    transform: rotate(359deg);
  }
}

@keyframes configure-clockwise {
  0% {
    transform: rotate(0);
  }
  25% {
    transform: rotate(90deg);
  }
  50% {
    transform: rotate(180deg);
  }
  75% {
    transform: rotate(270deg);
  }
  100% {
    transform: rotate(359deg);
  }
}

@keyframes configure-xclockwise {
  0% {
    transform: rotate(45deg);
  }
  25% {
    transform: rotate(-45deg);
  }
  50% {
    transform: rotate(-135deg);
  }
  75% {
    transform: rotate(-215deg);
  }
  100% {
    transform: rotate(-305deg);
  }
}

@keyframes pulse {
  from {
    opacity: 1;
    transform: scale(1);
  }
  to {
    opacity: .25;
    transform: scale(.75);
  }
}

/* GRID STYLING */

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  background-color: #37474f;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  align-items: flex-start;
}

.spinner-box {
  width: 300px;
  height: 300px;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: transparent;
}

/* SPINNING CIRCLE */

.circle-border {
  width: 150px;
  height: 150px;
  padding: 3px;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 50%;
  background: rgb(63,249,220);
  background: linear-gradient(0deg, rgba(63,249,220,0.1) 33%, rgba(63,249,220,1) 100%);
  animation: spin .8s linear 0s infinite;
}

.circle-core {
  width: 100%;
  height: 100%;
  background-color: #37474f;
  border-radius: 50%;
}

/* X-ROTATING BOXES */

.configure-border-1 {
  width: 115px;
  height: 115px;
  padding: 3px;
  position: absolute;
  display: flex;
  justify-content: center;
  align-items: center;
  background: #ffab91;
  animation: configure-clockwise 3s ease-in-out 0s infinite alternate;
}

.configure-border-2 {
  width: 115px;
  height: 115px;
  padding: 3px;
  left: -115px;
  display: flex;
  justify-content: center;
  align-items: center;
  background: rgb(63,249,220);
  transform: rotate(45deg);
  animation: configure-xclockwise 3s ease-in-out 0s infinite alternate;
}

.configure-core {
  width: 100%;
  height: 100%;
  background-color: #37474f;
}

/* PULSE BUBBLES */

.pulse-container {
  width: 120px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.pulse-bubble {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background-color: #3ff9dc;
}

.pulse-bubble-1 {
    animation: pulse .4s ease 0s infinite alternate;
}
.pulse-bubble-2 {
    animation: pulse .4s ease .2s infinite alternate;
}
.pulse-bubble-3 {
    animation: pulse .4s ease .4s infinite alternate;
}

/* SOLAR SYSTEM */

.solar-system {
  width: 250px;
  height: 250px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.orbit {
	position: relative;
	display: flex;
	justify-content: center;
	align-items: center;
	border: 1px solid #ffffffa5;
	border-radius: 50%;
}

.earth-orbit {
	width: 165px;
	height: 165px;
  -webkit-animation: spin 12s linear 0s infinite;
}

.venus-orbit {
	width: 120px;
	height: 120px;
  -webkit-animation: spin 7.4s linear 0s infinite;
}

.mercury-orbit {
	width: 90px;
	height: 90px;
  -webkit-animation: spin 3s linear 0s infinite;
}

.planet {
	position: absolute;
	top: -5px;
  width: 10px;
  height: 10px;
	border-radius: 50%;
  background-color: #3ff9dc;
}

.sun {
	width: 35px;
	height: 35px;
	border-radius: 50%;
	background-color: #ffab91;
}

JavaScript

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