templates/ja_senecio/ja_menus/ja_transmenu/ja.transmenuh.css
around line 156
#ja-transmenu a.mainlevel-trans:hover, #ja-transmenu a.mainlevel-trans:active, #ja-transmenu a.mainlevel-trans:focus {
background:transparent url(../../images/trans-bg.png) repeat scroll 0 0;
color:#FFFFFF;
}
change to
#ja-transmenu a.mainlevel-trans:hover, #ja-transmenu a.mainlevel-trans:active, #ja-transmenu a.mainlevel-trans:focus, #ja-transmenu a.mainlevel-trans-last:hover, #ja-transmenu a.mainlevel-trans-last:active, #ja-transmenu a.mainlevel-trans-last:focus {
background:transparent url(../../images/trans-bg.png) repeat scroll 0 0;
color:#FFFFFF;
}