[学习交流] css简单loading动画

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

li {
  list-style: none; }

.loader {
  position: relative;
  float: left;
  width: 200px;
  height: 200px;
  margin: 20px;
  border: 1px solid #ccc; }

.loading_1 {
  width: 80px;
  height: 80px;
  position: absolute;
  top: 50%;
  left: 50%;
  margin: -40px; }

.loading_1 li {
  display: block;
  position: absolute;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background-color: rgba(27, 255, 204, 0.82); }

@keyframes move1 {
  50% {
    transform: scale(0.4);
    opacity: 0.4; }
  100% {
    transform: scale(1);
    opacity: 1; } }
.loading_1 li:nth-child(1) {
  top: 0px;
  left: 32px;
  animation: move1 0.9s ease 0s infinite;
  -webkit-animation: move1 0.9s ease 0s infinite; }

.loading_1 li:nth-child(2) {
  top: 9px;
  left: 54px;
  animation: move1 0.9s ease -0.1s infinite;
  -webkit-animation: move1 0.9s ease -0.1s infinite; }

.loading_1 li:nth-child(3) {
  top: 32px;
  left: 63px;
  animation: move1 0.9s ease -0.2s infinite;
  -webkit-animation: move1 0.9s ease -0.2s infinite; }

.loading_1 li:nth-child(4) {
  top: 54px;
  left: 55px;
  animation: move1 0.9s ease -0.3s infinite;
  -webkit-animation: move1 0.9s ease -0.3s infinite; }

.loading_1 li:nth-child(5) {
  top: 64px;
  left: 32px;
  animation: move1 0.9s ease -0.4s infinite;
  -webkit-animation: move1 0.9s ease -0.4s infinite; }

.loading_1 li:nth-child(6) {
  top: 54px;
  left: 9px;
  animation: move1 0.9s ease -0.5s infinite;
  -webkit-animation: move1 0.9s ease -0.5s infinite; }

.loading_1 li:nth-child(7) {
  top: 32px;
  left: 0px;
  animation: move1 0.9s ease -0.6s infinite;
  -webkit-animation: move1 0.9s ease -0.6s infinite; }

.loading_1 li:nth-child(8) {
  top: 9px;
  left: 9px;
  animation: move1 0.9s ease -0.7s infinite;
  -webkit-animation: move1 0.9s ease -0.7s infinite; }

.loading_2 {
  height: 20px;
  width: 64px;
  position: absolute;
  top: 50%;
  left: 50%;
  margin: -10px -32px; }

@keyframes move2 {
  0% {
    left: 80px;
    top: 0; }
  75% {
    left: 0px;
    top: 0px; }
  85% {
    left: 0px;
    top: -16px; }
  95% {
    left: 80px;
    top: -16px; }
  100% {
    left: 80px;
    top: 0; } }
.loading_2 li {
  position: absolute;
  display: block;
  width: 16px;
  height: 16px;
  text-align: center;
  line-height: 16px;
  border-radius: 50%;
  background-color: rgba(27, 255, 204, 0.82); }

.loading_2 li:nth-child(1) {
  animation: move2 2s linear 0s infinite;
  -webkit-animation: move2 2s linear 0s infinite; }

.loading_2 li:nth-child(2) {
  animation: move2 2s linear -0.4s infinite;
  -webkit-animation: move2 2s linear -0.4s infinite; }

.loading_2 li:nth-child(3) {
  animation: move2 2s linear -0.8s infinite;
  -webkit-animation: move2 2s linear -0.8s infinite; }

.loading_2 li:nth-child(4) {
  animation: move2 2s linear -1.2s infinite;
  -webkit-animation: move2 2s linear -1.2s infinite; }

.loading_2 li:nth-child(5) {
  animation: move2 2s linear -1.6s infinite;
  -webkit-animation: move2 2s linear -1.6s infinite; }

.loading_3 {
  height: 60px;
  width: 60px;
  position: absolute;
  top: 50%;
  left: 50%;
  margin: -30px; }
  .loading_3 li {
    position: absolute;
    width: 60px;
    height: 60px;
    -webkit-border-radius: 50%;
    -moz-border-radius: 50%;
    border-radius: 50%;
    background: #3c3c3c; }

@keyframes move3 {
  0% {
    opacity: 0;
    transform: scale(0); }
  50% {
    opacity: 1;
    transform: scale(0); }
  100% {
    opacity: 0;
    transform: scale(1); } }
.loading_3 li:nth-child(1) {
  animation: move3 2s ease 0s infinite;
  -webkit-animation: move3 2s ease 0s infinite; }

.loading_3 li:nth-child(2) {
  animation: move3 2s ease -0.5s infinite;
  -webkit-animation: move3 2s ease -0.5s infinite; }

.loading_3 li:nth-child(3) {
  animation: move3 2s ease -1s infinite;
  -webkit-animation: move3 2s ease -1s infinite; }

.loading_3 li:nth-child(4) {
  animation: move3 2s ease -1.5s infinite;
  -webkit-animation: move3 2s ease -1.5s infinite; }

@keyframes move4 {
  0% {
    transform: scaleY(1); }
  25% {
    transform: scaleY(0.75); }
  50% {
    transform: scaleY(0.5); }
  75% {
    transform: scaleY(0.25); }
  100% {
    transform: scaleY(1); } }
.loading_4 {
  width: 110px;
  height: 40px;
  position: absolute;
  left: 50%;
  top: 50%;
  margin: -20px -55px; }
  .loading_4 li {
    position: relative;
    float: left;
    width: 5px;
    height: 40px;
    background: #8a8686; }
  .loading_4 li + li {
    margin-left: 10px; }

.loading_4 li:nth-child(1) {
  animation: move4 0.8s ease 0s infinite;
  -webkit-animation: move4 0.8s ease 0s infinite; }

.loading_4 li:nth-child(2) {
  animation: move4 0.8s ease 0.1s infinite;
  -webkit-animation: move4 0.8s ease 0.1s infinite; }

.loading_4 li:nth-child(3) {
  animation: move4 0.8s ease 0.2s infinite;
  -webkit-animation: move4 0.8s ease 0.2s infinite; }

.loading_4 li:nth-child(4) {
  animation: move4 0.8s ease 0.3s infinite;
  -webkit-animation: move4 0.8s ease 0.3s infinite; }

.loading_4 li:nth-child(5) {
  animation: move4 0.8s ease 0.4s infinite;
  -webkit-animation: move4 0.8s ease 0.4s infinite; }

.loading_4 li:nth-child(6) {
  animation: move4 0.8s ease 0.5s infinite;
  -webkit-animation: move4 0.8s ease 0.5s infinite; }

.loading_4 li:nth-child(7) {
  animation: move4 0.5s ease -1.5s infinite;
  -webkit-animation: move4 0.8s ease 0.6s infinite; }

.loading_4 li:nth-child(8) {
  animation: move4 0.5s ease -1.75s infinite;
  -webkit-animation: move4 0.8s ease 0.7s infinite; }

.loading_5, .loading_6 {
  position: absolute;
  width: 80px;
  height: 80px;
  top: 50%;
  left: 50%;
  margin: -40px; }

@keyframes move5 {
  0% {
    transform: rotate(0deg); }
  25% {
    transform: rotate(90deg); }
  50% {
    transform: rotate(180deg); }
  75% {
    transform: rotate(270deg); }
  100% {
    transform: rotate(360deg); } }
.loading_5 li {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(transparent, transparent 75%, rgba(47, 233, 228, 0.92) 100%);
  background: -webkit-linear-gradient(transparent, transparent 75%, rgba(47, 233, 228, 0.92) 100%);
  background: -moz-linear-gradient(transparent, transparent 75%, rgba(47, 233, 228, 0.92) 100%);
  background: -o-linear-gradient(transparent, transparent 75%, rgba(47, 233, 228, 0.92) 100%);
  animation: move5 0.5s linear 0s infinite;
  -webkit-animation: move5 0.5s linear 0s infinite; }

.loading_6 li:nth-child(1) {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(60deg, transparent, rgba(53, 255, 174, 0.45) 65%, #35ffae 85%, #05961e 100%);
  background: -webkit-linear-gradient(60deg, transparent, rgba(53, 255, 174, 0.45) 65%, #35ffae 85%, #05961e 100%);
  animation: move5 0.8s linear 0s infinite;
  -webkit-animation: move5 0.8s linear 0s infinite; }

.loading_6 li:nth-child(2) {
  position: absolute;
  top: 15px;
  left: 15px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: #ffffff; }

@keyframes move7 {
  0% {
    left: 12px;
    top: 0px; }
  100% {
    left: 90px;
    top: 90px; } }
@keyframes move7_star {
  0% {
    transform: scale(0.5); }
  100% {
    transform: scale(0.2); } }
.loading_7:before {
  content: "";
  display: block;
  position: absolute;
  left: 50px;
  top: 50px;
  width: 100px;
  height: 100px;
  background-color: #ff0;
  border-radius: 100px; }

.loading_7:after {
  content: "";
  display: block;
  position: absolute;
  left: 26px;
  top: 0px;
  width: 100px;
  height: 100px;
  background-color: #000;
  border-radius: 100px;
  animation: move7 3s linear 0s infinite;
  -webkit-animation: move7 3s linear 0s infinite; }

.loading_7 .star {
  position: absolute; }
.loading_7 .star:before {
  content: "\2605";
  display: block;
  position: absolute;
  left: 10px;
  top: 20px;
  width: 40px;
  height: 40px;
  color: #fff;
  transform: scale(0.5);
  -webkit-transform: scale(0.5);
  animation: 1s move7_star linear infinite;
  -webkit-animation: 1s move7_star linear infinite; }
.loading_7 .star:after {
  content: "\2605";
  display: block;
  position: absolute;
  left: 40px;
  top: 120px;
  width: 40px;
  height: 40px;
  color: #fff;
  transform: scale(0.5);
  -webkit-transform: scale(0.5);
  animation: 1s move7_star linear infinite;
  -webkit-animation: 1s move7_star linear infinite; }
</style>
<body>
<!--转，scale放大缩小-->
    <div class="loader">
        <ul class="loading_1">
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
        </ul>
    </div>
<!--跳，left、top-->
    <div class="loader">
        <ul class="loading_2">
            <li>1</li>
            <li>2</li>
            <li>3</li>
            <li>4</li>
            <li>5</li>
        </ul>
    </div>
<!--圈，opacity、scale-->
    <div class="loader">
        <ul class="loading_3">
            <li></li>
            <li></li>
            <li></li>
            <li></li>
        </ul>
    </div>
<!--竖线，scaleY-->
    <div class="loader">
        <ul class="loading_4">
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
        </ul>
    </div>
<!--旋转，rotate-->
    <div class="loader">
        <ul class="loading_5">
            <li></li>
        </ul>
    </div>
<!--同心圆旋转-->
    <div class="loader">
        <ul class="loading_6">
            <li></li>
            <li></li>
        </ul>
    </div>
<!--日食-->
    <div class="loader loading_7" style="background: #000000;">
        <div class="star"></div>
    </div>
</body>

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[学习交流] css简单loading动画

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