#matrixBG{
    position: fixed; 
    top:0;
    left: 0;
    z-index: -1; 
    opacity:0.1;
}


body {
      color: #000;
      background: url（https://images.cnblogs.com/cnblogs_com/shh1234567/1826720/o_200812090104841250-20170913174314782-1332659971.jpg
     background-size:cover;
      background-repeat: no-repeat;
      font-family: "Helvetica Neue",Helvetica,Verdana,Arial,sans-serif;
      font-size: 12px;
      min-height: 101%;
     margin: 0; 
     padding: 0;      height:100%;
 }
 
 #home {
     opacity: 0.97; 
     margin: 0px auto;
     width: 73%;
    min-width: 950px;
     background-color: #fff;

 }
/**
//setInterval(draw, 33);
$("button#pause").click(function(){
StopMatrix();});
$("button#play").click(function(){RunMatrix();});
*/