#home {
opacity: 0.70;
box-shadow: 0 2px 6px rgba(100, 100, 100, 0.3);
}
body {
color: #000;
background: url(https://files-cdn.cnblogs.com/files/blogs/715638/bg.bmp
) fixed;
background-size: 100%;
background-repeat: no-repeat;
font-family: "Helvetica Neue",Helvetica,Verdana,Arial,sans-serif;
font-size: 12px;
min-height: 101%;
}