body {
color: #000;
background: url(https://images.cnblogs.com/cnblogs_com/Danzel-Aria233/1074075/o_200131092012383447F5E570C7AC90EE3D198C6FAFF7.jpg) fixed;
background-size: 100%;
background-repeat: no-repeat;
font-family: "Helvetica Neue",Helvetica,Verdana,Arial,sans-serif;
font-size: 12px;
min-height: 101%;
}

#home {
opacity: 0.80;
margin: 0 auto;
width: 100%;
min-width: 950px;
background-color: #fff;
padding: 30px;
margin-top: 30px;
margin-bottom: 50px;
box-shadow: 0 2px 6px rgba(100, 100, 100, 0.3);
}


#site_nav_under {
    display: none;
}
.c_ad_block, .ad_text_commentbox {
    display: none;
    margin: 0;
    padding: 0;
}
#ad_under_google {
    height: 0;
    overflow: hidden;
}
#ad_under_google a {
    display: none;
}