/* 定制博客背景图片，url里面是你的图片位置信息 */
body { 
     opacity: 0.9; // 透明度
     background-color: #341124;
     //background-image:url(https://ftp.bmp.ovh/imgs/2021/06/a1e36c2123dd7fed.jpg);
     //background-image:url(https://ftp.bmp.ovh/imgs/2021/06/eb8a4a1a48e7cddd.jpg);  // 背景
     background-repeat: no-repeat; 
     background-attachment: fixed; 
     background-position: center 0; 
     background-size: cover; 
     padding-top:0px;
     //cursor: url(https://files.cnblogs.com/files/wkfvawl/cursor.ico),pointer; // 鼠标样式
  }

/* 定制返回顶部按键 */
#toTop {
    background: url(https://bpic.588ku.com/element_pic/01/40/61/54573d096249611.jpg) no-repeat 0px top;
    width: 57px;
    height: 57px;
    overflow: hidden;
    position: fixed;
    right: 180px;
    bottom: 20px;
    cursor: pointer;
}

/* 图片的放大 */
<link rel="stylesheet" type="text/css" href="https://blog-static.cnblogs.com/files/zouwangblog/zoom.css">
<script src="https://cdn.bootcss.com/jquery/1.8.3/jquery.min.js"></script>
<script src="https://cdn.bootcss.com/bootstrap/3.2.0/js/transition.js"></script>
<script src="https://blog-static.cnblogs.com/files/zouwangblog/zoom.js"></script>
<script type='text/javascript'>$('#cnblogs_post_body img').attr('data-action', 'zoom');</script>

/* 图标 */
<script type="text/javascript" language="javascript">
　　var linkObject = document.createElement('link');
　　linkObject.rel = "shortcut icon";
　　linkObject.href = "https://cdn.luogu.com.cn/upload/usericon/244245.png";
　　document.getElementsByTagName("head")[0].appendChild(linkObject);
</script>
<a name="udruX"></a>