body {
       background: #000000 url("images/main_bg2.jpg") no-repeat;
       background-position: 50% 0%;
     }

#main_container { 
                  margin: auto;
                  width: 1000px;
                  height: 450px;  
                  border: 0px solid #ffffff; 
                }
                
#logo { 
        margin: 100px auto 0 auto;
        width: 391px;
        height: 363px;  
        border: 0px solid #ffffff; 
      }