CSS 3.0 结合video视频实现的创意开幕效果

给大家分享一个用CSS 3.0结合video视频实现的创意开幕，效果如下：

以下是代码实现，欢迎大家复制粘贴和收藏。

<!DOCTYPE html><html lang="en"><head>    <meta charset="UTF-8">    <meta name="viewport" content="width=device-width, initial-scale=1.0">    <meta http-equiv="X-UA-Compatible" content="ie=edge">    <title>CSS 3.0结合video视频实现的创意开幕</title>    <style>        * {            margin: 0;            padding: 0;            font-family: Poppins, sans-serif;        }        body {            display: flex;            align-items: center;            justify-content: center;            min-height: 100vh;            background: #000;        }        h2 {            position: relative;            font-size: 3.4em;            font-weight: 900;            color: #fff;            z-index: 1;            overflow: hidden;            margin: 20px 20px 0 0;        }        h2 span {            color: #ff022c;        }        h2::before {            content: ;            position: absolute;            left: -20%;            width: 120%;            height: 100%;            background: linear-gradient(90deg, transparent 0%, #000 5%, #000 100%);            animation: animate 5.5s linear forwards;            animation-delay: 2s;        }        @keyframes animate {            0% {                left: -20%;            }            100% {                left: 110%;            }        }        video {            position: absolute;            top: 0;            left: 0;            width: 100%;            height: 100%;            object-fit: cover;            z-index: 2;            pointer-events: none;            mix-blend-mode: screen;        }    </style></head><body>    <video src="https://klxxcdn.oss-cn-hangzhou.aliyuncs.com/histudy/hrm/media/08reverse.mp4" autoplay muted></video>    <h2><span>We</span> must uni<span>te a</span>gainst COVID-19</h2></body></html>