div#menu { float: left; margin-top: 40px; margin-right: 0px;}

div#menu_home a { display: block; width: 157px; height: 30px; background: url(../images/menu/pl/home.gif) no-repeat;}
div#menu_home a:hover { background: url(../images/menu/pl/home2.gif) no-repeat;} 

div#menu_about a { display: block; width: 157px; height: 30px; background: url(../images/menu/pl/about.gif) no-repeat;}
div#menu_about a:hover { background: url(../images/menu/pl/about2.gif) no-repeat;} 

div#menu_offer a { display: block; width: 157px; height: 30px; background: url(../images/menu/pl/offer.gif) no-repeat;}
div#menu_offer a:hover { background: url(../images/menu/pl/offer2.gif) no-repeat;} 

div#menu_realizations a { display: block; width: 157px; height: 30px; background: url(../images/menu/pl/realizations.gif) no-repeat;}
div#menu_realizations a:hover { background: url(../images/menu/pl/realizations2.gif) no-repeat;} 

div#menu_contact a { display: block; width: 157px; height: 30px; background: url(../images/menu/pl/contact.gif) no-repeat;}
div#menu_contact a:hover { background: url(../images/menu/pl/contact2.gif) no-repeat;}