Day32动画的实现步骤

动画的实现步骤
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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>动画的实现步骤</title>
    <style>
        .box{
            width: 200px;
            height: 100px;
            background-color: pink;
            /* animation: changewidth 2s; */
            animation: change 2s;
        }
        /* 动画一:宽度由200变成800 */
        @keyframes changewidth {
            from{
                width: 200px;
            }
            to{
                width: 800px;
            }
        }

        /* 动画二:从200*100变化到300*300再变化到800*500 */
        @keyframes change {
            0%{
                width: 200px;
                height: 100px;
            }
            20%{
                width: 300px;
                height: 300px;
            }
            100%{
                width: 800px;
                height: 500px;
            }
        }
    </style>
</head>
<body>
    <div class="box"></div>
</body>
</html>
posted @ 2025-12-16 13:13  冰涿  阅读(4)  评论(0)    收藏  举报