动画模块-无限滚动

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>标题</title>
    <style>
        * {
            margin: 0;
            padding: 0;
        }

        div {
            height: 450px;
            width: 600px;
            border: 1px solid black;
            margin: 100px auto;
            overflow: hidden;
        }

        ul {
            width: 2000px;
            height: 450px;
            background-color: black;
            border: 1px solid black;
            box-sizing: border-box;
            animation: move 15s linear 0s infinite normal;
        }

        ul li {
            list-style: none;
            float: left;

        }

        ul:hover {
            animation-play-state: paused;
        }

        ul:hover li {
            opacity: 0.5;
        }

        ul li:hover {
            opacity: 1;
        }

        @keyframes move {
            from {
                margin-left: 0;
            }
            to {
                margin-left: -1200px;
            }
        }
    </style>
</head>
<body>
<div>
    <ul>
        <li><img src="1.png" alt=""></li>
        <li><img src="2.png" alt=""></li>
        <li><img src="3.png" alt=""></li>
        <li><img src="4.png" alt=""></li>
        <li><img src="1.png" alt=""></li>
        <li><img src="2.png" alt=""></li>
    </ul>
</div>
</body>
</html>
动画模块-无限滚动