body {
    background: rgba(12, 100, 129, 1) url('https://images.cnblogs.com/cnblogs_com/qingfeng2010/2111049/o_220303102630_51miz-E1247091-D85A50C4-3840x1920.jpg') fixed no-repeat;
    background-size: cover;
}
#nav_main {
    display: none
}
#home {
    width: 90%;
    background-color: rgba(176, 196, 222, 0.5);
}
#main {
    padding:20px 0 0 0px;
}
#sideBar{
    padding:0px;
}
#mainContent{
    margin-right: 0px;
}
#mainContent .forFlow{
    margin-left:20em;
}
#top_nav{
    display: none;
}
.dayTitle{
    display: none;
}
#post_detail{
    margin-right: 20px;
}