body { 
     background-color: #efefef;
     background-image:url(https://ss0.bdstatic.com/70cFvHSh_Q1YnxGkpoWK1HF6hhy/it/u=166372529,214913197&fm=26&gp=0.jpg); 
     background-repeat: no-repeat; 
     background-attachment: fixed; 
     background-position: center 0; 
     background-size: cover; 
    padding-top:0px;
  }
#home {
margin: 0 auto;
opacity: 0.8;
width: 65%;
min-width: 1080px;
background-color: #fff;
padding: 30px;
margin-top: 50px;
margin-bottom: 50px;
box-shadow: 0 2px 6px rgba(100, 100, 100, 0.3);
}