博客园设置背景音乐

CSS代码

/* 定制公告栏音乐插件的样式 */
.aplayer {
    font-family: Arial,Helvetica,sans-serif;  /*音乐插件字体*/
    margin: 0px;  /*音乐插件与公告栏左边的边距，0px就是直接抵到公告栏左边的边上*/
    box-shadow: 0 2px 2px 0 rgba(0,0,0,.14), 0 3px 1px -2px rgba(0,0,0,.2), 0 1px 5px 0 rgba(0,0,0,.12);
    border-radius: 2px;
    overflow: hidden;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    line-height: normal;
}

博客侧边栏公告（支持HTML代码）（支持JS代码）：

<!-- 为博客底部添加音乐组件 -->
<div id="player"  class="aplayer"></div>
<link href="https://files.cnblogs.com/files/shwee/APlayer.min_v1.10.1.css" rel="stylesheet">
<script src="https://files.cnblogs.com/files/shwee/APlayer.min_v1.10.1.js"></script> 

<script type="text/javascript">
var ap = new APlayer({
    element: document.getElementById('player'),
    narrow: false,
    autoplay: false,          <!-- 是否自动播放 -->
    showlrc: false,
    theme: '#F5F5F5',      <!-- 插件背景颜色，建议和你的公告栏背景色一样，这样融为一体的感觉 -->
    music: [{
            title: '音乐1',
            author: 'Valentin',
            url: 'https://files.cnblogs.com/files/shwee/Valentin-A_Little_Story.pdf',
            pic: 'http://images.cnblogs.com/cnblogs_com/shwee/1218109/o_music_pic4.png'
        },
        {
            title: '音乐2',
            author: '林海',
            url: 'https://files.cnblogs.com/files/shwee/%E6%9E%97%E6%B5%B7-%E7%90%B5%E7%90%B6%E8%AF%AD.pdf',
            pic: 'http://images.cnblogs.com/cnblogs_com/shwee/1218109/o_music_pic1.png'
        },
        {
            title: '音乐3',
            author: '赵海洋',
            url: 'https://files.cnblogs.com/files/shwee/%E8%B5%B5%E6%B5%B7%E6%B4%8B-%E3%80%8A%E7%9E%AC%E9%97%B4%E7%9A%84%E6%B0%B8%E6%81%92%E3%80%8B%E5%A4%9C%E8%89%B2%E9%92%A2%E7%90%B4%E6%9B%B2.pdf',
            pic: 'http://images.cnblogs.com/cnblogs_com/shwee/1218109/o_music_pic2.png'
        }
    ]
});
ap.init();
</script>

　　

参考:https://www.cnblogs.com/wkfvawl/p/10920283.html