.lm_aplikacja, .lm_kontakt, .lm_historia_pleneru, .lm_aktualnosci, .lm_archiwum, .lm_pusty, .lm_polski, .lm_english {text-decoration: none; width: 280px; height: 30px; background-repeat: no-repeat; display: block;}

.lm_aplikacja {background-image: url('http://www.boleslawiecsymposium.com/img/butt_aplikacja.gif');}
.lm_kontakt {background-image: url('http://www.boleslawiecsymposium.com/img/butt_kontakt.gif');}
.lm_historia_pleneru {background-image: url('http://www.boleslawiecsymposium.com/img/butt_historia_pleneru.gif');}
.lm_aktualnosci {background-image: url('http://www.boleslawiecsymposium.com/img/butt_aktualnosci.gif'); height: 38px;}
.lm_archiwum {background-image: url('http://www.boleslawiecsymposium.com/img/butt_archiwum.gif');}

A:hover.lm_aplikacja {background-image: url('http://www.boleslawiecsymposium.com/img/butt_aplikacja_on.gif');}
A:hover.lm_kontakt {background-image: url('http://www.boleslawiecsymposium.com/img/butt_kontakt_on.gif');}
A:hover.lm_historia_pleneru {background-image: url('http://www.boleslawiecsymposium.com/img/butt_historia_pleneru_on.gif');}
A:hover.lm_aktualnosci {background-image: url('http://www.boleslawiecsymposium.com/img/butt_aktualnosci_on.gif');}
A:hover.lm_archiwum {background-image: url('http://www.boleslawiecsymposium.com/img/butt_archiwum_on.gif');}

.lm_polski {background-image: url('http://www.boleslawiecsymposium.com/img/butt_polski.gif'); width: 101px; float: left;}
.lm_english {background-image: url('http://www.boleslawiecsymposium.com/img/butt_english.gif'); width: 121px; float: left;}

A:hover.lm_polski {background-image: url('http://www.boleslawiecsymposium.com/img/butt_polski_on.gif');}
A:hover.lm_english {background-image: url('http://www.boleslawiecsymposium.com/img/butt_english_on.gif');}