body {
color: #000;
background: url(https://pic.qiantucdn.com/58pic/26/45/35/01e58PIC2FY_1024.png) fixed;
background-size: 1000px;
background-repeat: no-repeat;
font-family: "Helvetica Neue",Helvetica,Verdana,Arial,sans-serif;
font-size: 12px;
min-height: 130%;
}
#home {
opacity: 0.50;
margin: 0 auto;
width: 65%;
min-width: 1000px;
background-color: #fff;
padding: 50px;
margin-top: 50px;
margin-bottom: 50px;
box-shadow: 0 2px 6px rgba(100, 100, 100, 0.3);
}