/*鼠标样式动画*/
body{
    background-repeat: repeat;
    background-attachment: fixed;
    background-size:cover;
     cursor: url(https://files.cnblogs.com/files/monster-jian/cursor.ico),auto;
}
body {
    font-size: 14px;
    padding: 0;
    margin: 0;
    font-family: "微软雅黑","宋体",Arial;
    width: 100%;
    height: 100%;
    background: #20542400 url("https://cdn.luogu.com.cn/upload/image_hosting/bcuimhis.png") no-repeat top 
    center fixed;
    background-size: cover;
    opacity: 0.81145141919810;
}