body {
     background-color:// #efefef;
     background-image:url(https://images.cnblogs.com/cnblogs_com/whc200305/1590131/o_191114001851thumb-1920-1006752.png);
     background-repeat: no-repeat;
     background-attachment: fixed;
     background-position: center 0;
     background-size: cover;
    padding-top:0px;
  }


#home{
   margin: 0 auto;
    width: 82.3%;
    opacity: 0.7;
    min-width: 950px;
    padding: 25px;
    margin-top: 50px;
    margin-bottom: 50px;
    box-shadow: 0 2px 6px rgba(100, 100, 100, 0.3);
    font-weight: bold;
    font-family: "Comic Sans MS", "PingFang SC", "Microsoft YaHei", sans-serif !important;
    background:snow;
}