CSS Animation动画实现漂亮的飘雪效果，超简单！

雪花图漂亮，效果就漂亮，剩下就是CSS的工作了。

body {
        position: relative;
        background-color: #2f346f;
        background-image: url(images/snow1_1.png), url(images/snow1_2.png), url(images/snow1_3.png);
        animation: snow 40s linear infinite;
    }

    @keyframes snow {
        0% {
            background-position: 0px 0, 0px 0px, 0px 0px;
        }

        100% {
            background-position: -200px 1500px, 800px 950px, 950px 1800px;
        }
    }