.cb,
.barva,
.uvod,
.uvod-menu,
.cennik,
.kontakt
{
  background-color: transparent; 
  background-attachment: scroll;
  background-position: bottom left;
  background-repeat: no-repeat;
}

.co_delame
{
  background-image: url(images/_cb.png);
}

.uvod
{
  background-image: url(images/_uvod.png);
}

.cennik
{
  background-image: url(images/_cennik.png);
}

.kontakt
{
  background-image: url(images/_kontakt.png);
}