body{
background: url(https://images.cnblogs.com/cnblogs_com/hama1993/1558869/o_191226051836o_spring2.jpg);
    color: #7d8b8d;
    font-family: Verdana, Arial, Helvetica, sans-serif;
    font-size: 14px;
    line-height: 25px;
    min-height: 101%;
    background-attachment: fixed;
    background-size: 100%;
}