body {
  text-align: center;
  min-width: 600px;
  margin: 0;
}

img  {
border: 0;}

#content {
  text-align: left; 
  position:absolute;
  left: 50%; 
  top: 0px;
  width: 600px;
  margin-top: 0px; /* half of the height */
  margin-left: -300px; /* half of the width */
  
}

#image {background:url(gif/topb.gif) no-repeat; width: 600px; height: 88px;} 

#home { 
position: absolute; left: 1px; top: 68px; }

#biography { 
position: absolute; left: 121px; top: 68px; }

#reviews {
position: absolute; left: 241px; top: 68px;}

#catalogue { 
position: absolute; left: 361px; top: 68px; }

#contacts { 
position: absolute; left: 481px; top: 68px;}