.snow {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
    width: 100%;
    height: 130pc;
    background: 0 0;
    background-image: url(https://corndog.io/corndog-tile-1.png),url(https://corndog.io/corndog-tile.png),url(https://corndog.io/corndog-tile-2.png);
    font-family: Androgyne;
    -webkit-transform: translate3d(0,0,0);
    transform: translate3d(0,0,0);
    -webkit-animation: snow 1000s linear infinite;
    animation: snow 1000s linear infinite;
    -ms-transform: translate3d(0,0,0);
}

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

    to {
        background-position: 3125pc 3125pc,625pc 1250pc,-625pc 15000px;
    }
}

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

    to {
        background-position: 3125pc 3125pc,625pc 1250pc,-625pc 15000px;
    }
}
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<param value="always" name="allowScriptAccess">
<param value="https://chabudai.sakura.ne.jp/blogparts/honehoneclock/honehone_clock_tr.swf" name="movie">
<param value="high" name="quality">
<param value="#ffffff" name="bgcolor">
<param value="transparent" name="wmode">
<embed width="160" height="70" align="middle" pluginspage="https://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" allowscriptaccess="always" name="honehoneclock" bgcolor="#ffffff" quality="high" src="https://chabudai.sakura.ne.jp/blogparts/honehoneclock/honehone_clock_tr.swf" wmode="transparent">
</object>