纯CSS实现一些好看的动画效果 CSS笔记#01-嗨皮网-Hpeak.net

1.1 流光按钮

效果展示

完整代码

<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8">
        <title>流光按钮</title>
        <style>
            #demo1 * {
                margin: 0;
                padding: 0;
            }

            #demo1 a {
                text-decoration: none;
                position: absolute;
                left: 50%;
                top: 50%;
                /* 按钮居中 */
                transform: translate(-50%, -50%);
                font-size: 24px;
                /* 线性渐变 */
                background: linear-gradient(90deg, #00aaff, #ffaaff, #ffff00, #00aaff);
                /* 放大背景 */
                background-size: 400%;
                width: 400px;
                height: 100px;
                line-height: 100px;
                text-align: center;
                color: #fff;
                /* 内容始终大写 */
                text-transform: uppercase;
                border-radius: 50px;
                /* 设置层级关系，仅能在定位元素上奏效 */
                z-index: 1;
            }

            #demo1 a::before {
                content: "";
                position: absolute;
                left: -5px;
                right: -5px;
                top: -5px;
                bottom: -5px;
                /* 线性渐变 */
                background: linear-gradient(90deg, #00aaff, #ffaaff, #ffff00, #00aaff);
                /* 放大背景 */
                background-size: 400%;
                border-radius: 50px;
                /* 设置滤镜 */
                filter: blur(10px);
                /* 设置层级关系，仅能在定位元素上奏效 */
                z-index: -1;

            }

            #demo1 a:hover::before {
                /* 鼠标停留开始动画，无限循环 */
                animation: sum 8s infinite;
            }


            #demo1 a:hover {
                /* 鼠标停留开始动画，无限循环 */
                animation: sum 8s infinite;
            }

            @keyframes sum {

                /* 更改背景图片位置 Y轴不变 */
                100% {
                    background-position: -400% 0;
                }
        </style>
    </head>
    <body>
        <div id="demo1">
            <a href="#">button</a>
        </div>
    </body>
</html>

1.2 聚光灯效果

效果展示

完整代码

<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8" />
        <meta name="viewport" content="width=device-width, initial-scale=1">
        <title></title>
        <style>
            * {
                margin: 0;
                padding: 0;
            }

            body {
                /* flex布局水平垂直居中 */
                display: flex;
                justify-content: center;
                align-items: center;
                min-height: 100vh;
                background-color: #000;
            }

            h1 {
                position: relative;
                color: #222;
                font-size: 100px;
            }

            /* 复制一层 */
            h1::after {
                content: "SPOTLIGHT";
                /* 使两者重叠 */
                position: absolute;
                left: 0;
                top: 0;
                /* 全透明色 */
                color: transparent;
                /* 可以用图片,以下有兼容性问题，暂考虑Chrome浏览器 */
                background: -webkit-linear-gradient(left, #0000ff, #55ff7f, #ff55ff, #ffff00, #ff55ff, #55ff7f, #0000ff);
                /* 按文字内容裁剪背景 */
                background-clip: text;
                -webkit-background-clip: text;
                /* 绘制一个圆 */
                clip-path: circle(100px at 0% 50%);
                -webkit-clip-path: circle(100px at 0% 50%);
                animation: light 5s infinite;
            }

            @keyframes light {
                0% {
                    clip-path: circle(100px at 0% 50%);
                    -webkit-clip-path: circle(100px at 0% 50%);
                }

                50% {
                    clip-path: circle(100px at 100% 50%);
                    -webkit-clip-path: circle(100px at 100% 50%);
                }

                100% {
                    clip-path: circle(100px at 0% 50%);
                    -webkit-clip-path: circle(100px at 0% 50%);
                }
        </style>
    </head>
    <body>
        <h1>SPOTLIGHT</h1>
    </body>
</html>

1.3 百叶窗效果

效果展示

完整代码

<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8">
        <title>百叶窗效果</title>
        <style>
            * {
                margin: 0;
                padding: 0;
            }

            body {
                background-color: #000;
            }

            ul,
            li {
                list-style: none;
            }

            .main {
                width: 805px;
                height: 320px;
                /* 居中 */
                margin: 150px auto;
                overflow: hidden;
            }

            li {
                position: relative;
                float: left;
                width: 160px;
                height: inherit;
                border-left: 1px solid #fff;
                /* 过渡效果 */
                transition: all 1s;
            }

            .flag {
                position: absolute;
                left: 0;
                bottom: 0;
                width: 100%;
                height: 60px;
                line-height: 60px;
                text-align: center;
                color: #fff;
                background: rgba(0, 0, 0, .5);
            }

            .main:hover li {
                width: 40px;
            }

            .main li:hover {
                width: 640px;
            }
        </style>
    </head>
    <body>
        <ul class="main">
            <li>
                <img src="https://ae01.alicdn.com/kf/He57b546ef8bc43a9ad3a6910260fd162e.jpg" >
                <div class="flag">demo1</div>
            </li>
            <li>
                <img src="https://ae01.alicdn.com/kf/Hfca40826122544e3ae42f71c962cf15eJ.jpg" >
                <div class="flag">demo2</div>
            </li>
            <li>
                <img src="https://ae01.alicdn.com/kf/H4cd16a2cc5704af5a929a77e35ff14fdL.jpg" >
                <div class="flag">demo3</div>
            </li>
            <li>
                <img src="https://ae01.alicdn.com/kf/H0d482acd0de64a308ef09c42b6de6e9bv.jpg" >
                <div class="flag">demo4</div>
            </li>
            <li>
                <img src="https://ae01.alicdn.com/kf/H1b3604d4b2864921a9398d7cecbb9bb5j.jpg" >
                <div class="flag">demo5</div>
            </li>
        </ul>
    </body>
</html>

1.4 小爱心

效果展示

完整代码

<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8">
        <title>小爱心</title>
        <style>
            * {
                margin: 0;
                padding: 0;
            }

            body {
                animation: body 4s ease infinite;
            }

            .heart {
                position: relative;
                width: 200px;
                height: 200px;
                margin: 200px auto;
                background-color: #ff557f;
                /* 顺时针旋转45度 */
                transform: rotate(45deg);
                animation: heart 4s ease infinite;
            }

            .heart::before {
                content: ';
                position: absolute;
                width: 200px;
                height: 200px;
                background-color: #ff557f;
                /* 变成圆形 */
                border-radius: 50%;
                top: -100px;
                left: 0;
                animation: left 4s ease infinite;
                transition: all 1s ease;
            }

            .heart::after {
                content: ';
                position: absolute;
                width: 200px;
                height: 200px;
                background-color: #ff557f;
                /* 变成圆形 */
                border-radius: 50%;
                top: 0;
                left: 100px;
                animation: right 4s ease infinite;
                transition: all 1s ease;
            }

            @keyframes body {
                0% {
                    background-color: #ff557f;
                }

                50% {
                    background-color: #fff;
                }

                100% {
                    background-color: #ff557f;
                }
            }

            @keyframes heart {
                0% {
                    transform: rotate(0deg);
                    border-radius: 200px;
                    background-color: #fff;
                }

                30% {
                    transform: rotate(45deg);
                    border-radius: 10px;
                }

                50% {
                    background-color: #ff557f;
                }

                70% {
                    transform: rotate(45deg);
                    border-radius: 10px;
                }

                100% {
                    transform: rotate(90deg);
                    border-radius: 200px;
                    background-color: #fff;
                }
            }

            @keyframes left {
                0% {
                    top: 0;
                    background-color: #fff;
                }

                30% {
                    top: -100px;
                }

                50% {
                    background-color: #ff557f;
                }

                70% {
                    top: -100px;
                }

                100% {
                    top: 0;
                    background-color: #fff;
                }
            }

            @keyframes right {
                0% {
                    left: 0;
                    background-color: #fff;
                }

                30% {
                    left: -100px;
                }

                50% {
                    background-color: #ff557f;
                }

                70% {
                    left: -100px;
                }

                100% {
                    left: 0;
                    background-color: #fff;
                }
            }
        </style>
    </head>
    <body>
        <div class="heart"></div>
    </body>
</html>

1.5 水球效果

效果展示

完整代码

<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8">
        <title>水球效果</title>
        <style>
            * {
                margin: 0;
                padding: 0;
            }

            body {
                height: 100vh;
                /* 线性渐变，默认方向自上而下 */
                background: linear-gradient(#00aaff, #0055ff, #00007f);
            }

            .main,
            .water {
                position: absolute;
                width: 200px;
                height: 200px;
                /* 变成圆形 */
                border-radius: 50%;
                /* 水平垂直居中 */
                top: 50%;
                left: 50%;
                transform: translate(-50%, -50%);
            }

            .main {
                padding: 10px;
                border: 3px solid #45ceff;

            }

            .water {
                background: #45ceff;
                /* 隐藏多余部分 */
                overflow: hidden;
            }

            .water::before {
                content: "waterball";
                position: absolute;
                left: 50%;
                top: 0px;
                transform: translate(-50%, 40px);
                color: #45ceff;
                text-transform: uppercase;
                z-index: 99;
            }

            /* 水波纹实现 */
            .water::after {
                content: ';
                position: absolute;
                width: 300px;
                height: 300px;
                background: rgba(255, 255, 255, .8);
                border-radius: 40%;
                left: 50%;
                top: 0;
                transform: translate(-50%, -60%);
                animation: water 5s linear infinite;
            }

            @keyframes water {
                100% {
                    /* 360度旋转，位置不变*/
                    transform: translate(-50%, -60%) rotate(360deg);
                }
            }
        </style>
    </head>
    <body>
        <div class="main">
            <div class="water"></div>
        </div>
    </body>
</html>

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