body {
  background-color: #fff;
  font-family: Tahoma, Arial, Helvetica, sans-serif;
}

#wrapper {
  margin: 0 auto;
  width: 910px;
 
}

#header {
z-index:1;
  
  height: 583px;
  
  position: relative;
    top: 0;
    left: 0;
  width: 951px;
}