css实现多彩圆圈动态动画效果代码-html代码-BFW代码库

css实现多彩圆圈动态动画效果代码

代码语言：html

代码描述：css实现多彩圆圈动态动画效果代码

下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开

<!DOCTYPE html>
<html lang="en">

<head>

    <meta charset="UTF-8">




    <style>
        #btn--yp {
            box-sizing: content-box;
            position: fixed;
            z-index: 9;
            bottom: 1em;
            right: 1em;
            border: solid 1em transparent;
            width: 4.625em;
            height: 3.25em;
          
            font: 16px/ 1.25 trebuchet ms, sans-serif;
            text-indent: 200vw;
            text-shadow: none;
            filter: grayscale(1) drop-shadow(0 0 1px #e8e0e0);
            transition: .5s;
            white-space: nowrap;
        }
        #btn--yp:before {
            box-sizing: inherit;
            position: absolute;
            left: 0;
            bottom: 100%;
            margin: 1em -.5em;
            padding: .5em;
            width: 100%;
            border-radius: 5px;
            background: #e8e0e0;
            color: #000;
            text-align: center;
            text-decoration: none;
            text-indent: 0vw;
            white-space: normal;
            animation: float  1s ease-in-out infinite alternate;
            content: attr(data-txt);
        }
        #btn--yp:hover, #btn--yp:focus {
            outline: none;
            filter: grayscale(0) drop-shadow(0 0 1px crimson);
        }

@keyframes float {
            to {
                transform: translateY(0.75em);
            }
        }
        body {
            display: grid;
            margin: 0;
            height: 100vh;
            background: #000;
        }

        div {
            grid-area: 1/1;
        }

        .dot {
            display: grid;
            place-self: center;
            transform: rotate(calc(var(--k)*1turn)) translate(calc(0.5em/var(--tan)));
        }

@keyframes a {
            to {
                transform: scale(0);
            }
        }
        .lyr {
            --t: calc((1 + var(--c))*1s);
            padding: 0.5em;
            border-radius: 50%;
            background: hsl(calc(var(--c)/var(--m)*360), 100%, 50%);
            mix-blend-mode: screen;
            animation: a var(--t) ease-in-out calc(var(--k)*-2*var(--t)) infinite alternate;
        }
    </style>




</head>

<body translate="no">
    <style>
        body {
            --tan: 0.087;
            --m: 3
        }

        .lyr:nth-child(1) {
            --c: 0
        }

        .lyr:nth-child(2) {
            --c: 1
        }

        .lyr:nth-child(3) {
            --c: 2
        }
    </style>
    <div class="dot" style="--k: 0">
        <div class="lyr"></div>
        <div class="lyr"></div>
        <div class="lyr"></div>
    </div>
    <div class="dot" style="--k: 0.028">
        <div class="lyr"></div>
        <div class="lyr"></div>
        <div class="lyr"></div>
    </div>
    <div class="dot" style="--k: 0.056">
        <div class="lyr"></div>
        <div class="lyr"></div>
        <div class="lyr"></div>
    </div>
    <div class="dot" style="--k: 0.083">
        <div class="lyr"></div>
        <div class="lyr"></div>
        <div class="lyr"></div>
    </div>
    <div class="dot" style="--k: 0.111">
        <div class="lyr"></div>
        <div class="lyr"></div>
        <div class="lyr"></div>
    </div>
    <div class="dot" style="--k: 0.139">
        <div class="lyr"></div>
        <div class="lyr"></div>
        <div class="lyr"></div>
    </div>
    <div class="dot" style="--k: 0.167">
        <div class="lyr"></div>
        <div class="lyr"></div>
        <div class="lyr"></div>
    </div>
    <div class="dot" style="--k: 0.194">
        <div class="lyr"></div>
        <div class="lyr"></div>
        <div class="lyr"></div>
    </div>
    <div class="dot" style="--k: 0.222">
        <div class="lyr"></div>
        <div class="lyr"></div>
        <div class="lyr"></div>
    </div>
    <div class="dot" style="--k: 0.25">
        <div class="lyr"></div>
        <div class="lyr"></div>
        <div class="lyr"></div>
    </div>
    <div class="dot" style="--k: 0.278">
        <div class="lyr"></div>
        <div class="lyr"></div>
        <div class="lyr"></div>
    </div>
    <div class="dot" style="--k: 0.306">
        <div class="lyr"></div>
        <div class="lyr"></div>
        <div class="lyr"></div>
    </div>
    <div class="dot" style="--k: 0.333">
        <div class="lyr"></div>
        <div class="lyr"></div>
        <div class=.........完整代码请登录后点击上方下载按钮下载查看