#topmenu, #leftmenu, #zapati {
  display: none;
}

#zahlavi, #zahlavi .logo {
  height: 50px;
}
#zahlavi .logo img {
  position: relative;
  float: left;
  left: 0;
  top: 0;
}

#content {
  position: relative;
  float: left;
  left: 0;
  top: 0;
}