.sv_seda {
  background-color: rgba(0,0,0,.1);
}
.sv_stribna {
  background-color: rgba(255,255,255,.15);
}
.sv_zelena {
  background-color: rgba(0,127,0,.25);
}
.sv_fialova {
  background-color: rgba(73, 20, 156, 0.35);
}
.sv_cervena {
  background-color: rgba(202, 1, 1, 0.35);
}
.sv_hneda {
  background-color: rgba(85, 46, 14, 0.4)
}
.zelena {
  background-color: rgba(0,127,0,.7)
}
.oranzova {
  background-color: rgba(247, 142, 5, 0.8);
}
.cervena {
  background-color: rgba(255,0,0,.7);
}
.seda {
  background-color: rgba(0,0,0,.25)
}