1、演示

2、一切尽在代码中
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Document</title>
<style>
html,
body {
width: 100%;
height: 100%;
display: flex;
background-color: #000;
overflow: hidden;
}
@property --num {
syntax: '<integer>';
initial-value: 0;
inherits: false;
}
.g-number {
position: absolute;
width: 300px;
top: 27%;
text-align: center;
font-size: 32px;
z-index: 10;
color: #fff;
}
.g-container {
position: relative;
height: 400px;
width: 300px;
margin: auto;
}
.g-contrast {
filter: contrast(10) hue-rotate(0);
width: 300px;
height: 400px;
background-color: #000;
overflow: hidden;
-webkit-animation: hueRotate 10s infinite linear;
animation: hueRotate 10s infinite linear;
}
.g-circle {
position: relative;
width: 300px;
height: 300px;
box-sizing: border-box;
filter: blur(8px);
}
.g-circle::before {
content: '';
position: absolute;
width: 176px;
height: 176px;
top: 40%;
left: 50%;
transform: translate(-50%, -50%);
border-radius: 50%;
background-color: #000;
z-index: 10;
}
.g-circle::after {
content: '';
position: absolute;
width: 200px;
height: 200px;
top: 40%;
left: 50%;
transform: translate(-50%, -50%) rotate(0);
border-radius: 42% 38% 62% 49%/45%;
background-color: #00ff6f;
-webkit-animation: rotate 10s infinite linear;
animation: rotate 10s infinite linear;
}
.g-bubbles {
position: absolute;
left: 50%;
bottom: 0;
width: 100px;
height: 40px;
transform: translate(-50%, 0);
border-radius: 100px 100px 0 0;
background: #00ff6f;
filter: blur(6px);
}
li {
position: absolute;
border-radius: 50%;
background-color: #00ff6f;
}
li:nth-child(0) {
left: 56px;
width: 28px;
height: 28px;
top: 50%;
transform: translate(-50%, -50%);
-webkit-animation: moveToTop 7s ease-in-out -1.433s infinite;
animation: moveToTop 7s ease-in-out -1.433s infinite;
}
li:nth-child(1) {
left: 21px;
width: 23px;
height: 23px;
top: 50%;
transform: translate(-50%, -50%);
-webkit-animation: moveToTop 7s ease-in-out -3.484s infinite;
animation: moveToTop 7s ease-in-out -3.484s infinite;
}
li:nth-child(2) {
left: 65px;
width: 21px;
height: 21px;
top: 50%;
transform: translate(-50%, -50%);
-webkit-animation: moveToTop 5s ease-in-out -2.673s infinite;
animation: moveToTop 5s ease-in-out -2.673s infinite;
}
li:nth-child(3) {
left: 24px;
width: 19px;
height: 19px;
top: 50%;
transform: translate(-50%, -50%);
-webkit-animation: moveToTop 4s ease-in-out -4.448s infinite;
animation: moveToTop 4s ease-in-out -4.448s infinite;
}
li:nth-child(4) {
left: 41px;
width: 17px;
height: 17px;
top: 50%;
transform: translate(-50%, -50%);
-webkit-animation: moveToTop 8s ease-in-out -4.181s infinite;
animation: moveToTop 8s ease-in-out -4.181s infinite;
}
li:nth-child(5) {
left: 36px;
width: 25px;
height: 25px;
top: 50%;
transform: translate(-50%, -50%);
-webkit-animation: moveToTop 7s ease-in-out -3.371s infinite;
animation: moveToTop 7s ease-in-out -3.371s infinite;
}
li:nth-child(6) {
left: 64px;
width: 24px;
height: 24px;
top: 50%;
transform: translate(-50%, -50%);
-webkit-animation: moveToTop 6s ease-in-out -4.786s infinite;
animation: moveToTop 6s ease-in-out -4.786s infinite;
}
li:nth-child(7) {
left: 29px;
width: 16px;
height: 16px;
top: 50%;
transform: translate(-50%, -50%);
-webkit-animation: moveToTop 5s ease-in-out -3.911s infinite;
animation: moveToTop 5s ease-in-out -3.911s infinite;
}
li:nth-child(8) {
left: 57px;
width: 22px;
height: 22px;
top: 50%;
transform: translate(-50%, -50%);
-webkit-animation: moveToTop 4s ease-in-out -3.463s infinite;
animation: moveToTop 4s ease-in-out -3.463s infinite;
}
li:nth-child(9) {
left: 80px;
width: 26px;
height: 26px;
top: 50%;
transform: translate(-50%, -50%);
-webkit-animation: moveToTop 4s ease-in-out -1.537s infinite;
animation: moveToTop 4s ease-in-out -1.537s infinite;
}
li:nth-child(10) {
left: 59px;
width: 17px;
height: 17px;
top: 50%;
transform: translate(-50%, -50%);
-webkit-animation: moveToTop 4s ease-in-out -3.992s infinite;
animation: moveToTop 4s ease-in-out -3.992s infinite;
}
li:nth-child(11) {
left: 55px;
width: 24px;
height: 24px;
top: 50%;
transform: translate(-50%, -50%);
-webkit-animation: moveToTop 5s ease-in-out -1.554s infinite;
animation: moveToTop 5s ease-in-out -1.554s infinite;
}
li:nth-child(12) {
left: 84px;
width: 30px;
height: 30px;
top: 50%;
transform: translate(-50%, -50%);
-webkit-animation: moveToTop 9s ease-in-out -1.917s infinite;
animation: moveToTop 9s ease-in-out -1.917s infinite;
}
li:nth-child(13) {
left: 62px;
width: 22px;
height: 22px;
top: 50%;
transform: translate(-50%, -50%);
-webkit-animation: moveToTop 6s ease-in-out -3.77s infinite;
animation: moveToTop 6s ease-in-out -3.77s infinite;
}
li:nth-child(14) {
left: 80px;
width: 21px;
height: 21px;
top: 50%;
transform: translate(-50%, -50%);
-webkit-animation: moveToTop 8s ease-in-out -0.239s infinite;
animation: moveToTop 8s ease-in-out -0.239s infinite;
}
li:nth-child(15) {
left: 85px;
width: 17px;
height: 17px;
top: 50%;
transform: translate(-50%, -50%);
-webkit-animation: moveToTop 6s ease-in-out -2.587s infinite;
animation: moveToTop 6s ease-in-out -2.587s infinite;
}
@-webkit-keyframes rotate {
50% {
border-radius: 45%/42% 38% 58% 49%;
}
100% {
transform: translate(-50%, -50%) rotate(720deg);
}
}
@keyframes rotate {
50% {
border-radius: 45%/42% 38% 58% 49%;
}
100% {
transform: translate(-50%, -50%) rotate(720deg);
}
}
@-webkit-keyframes moveToTop {
90% {
opacity: 1;
}
100% {
opacity: 0.1;
transform: translate(-50%, -180px);
}
}
@keyframes moveToTop {
90% {
opacity: 1;
}
100% {
opacity: 0.1;
transform: translate(-50%, -180px);
}
}
@-webkit-keyframes hueRotate {
100% {
filter: contrast(15) hue-rotate(360deg);
}
}
@keyframes hueRotate {
100% {
filter: contrast(15) hue-rotate(360deg);
}
} /*# sourceMappingURL=charging.css.map */
</style>
</head>
<body>
<div class="g-container">
<div class="g-number">0%</div>
<div class="g-contrast">
<div class="g-circle"></div>
<ul class="g-bubbles">
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
<li></li>
</ul>
</div>
</div>
</body>
<script>
const number = document.querySelector('.g-number')
let num = 0
let timer = null
timer = setInterval(() => {
num += 1
if (num >= 100) clearInterval(timer)
number.textContent = num + '%'
}, 100)
</script>
</html>