.mbox1         {background: url(../image/office001.jpg) no-repeat left center}

.mbox2         {background: url(../image/office002.jpg) no-repeat left center}  

.mbox3         {background: url(../image/office003.jpg) no-repeat left center}  

.mbox4         {background: url(../image/office004.jpg) no-repeat left center}

.mbox5         {background: url(../image/office005.jpg) no-repeat left center}

#main img      {margin-left: 200px;
                margin-top: 10px;
                margin-bottom: 10px}