#home {
opacity: 0.90;
margin: 0 auto;
width: 85%;
}

body {
color: # 000;
background: url(https://images.cnblogs.com/cnblogs_com/cky-2907183182/1521479/o_background.jpg) fixed;
background-size: 100%;
background-repeat: no-repeat;
font-family: "Helvetica Neue",Helvetica,Verdana,Arial,sans-serif;
font-size: 13px;
min-height: 101%;
}

#c{                        
   position: fixed; 
   top:0; 
   left: 0; 
   z-index:-1; 
   opacity:0.8;
}

#google_ad_c1,#div-gpt-ad-1320933818841-0,#google_ad_c2,#div-gpt-ad-1320933818841-1,#ad_under_google{
display:none;
visibility：hidden;
}