.menu_left {
    margin-left: 75px;
}
.menu_left ul {
    list-style: none;
    margin: 0px;
    padding: 0px;
    font-size: 10px;
}
.menu_left li ul {
    margin-left: 5px;
    display: none;
}

.menu_left ul li a.menu, .menu_left li ul a.submenu {
    display: block;
    text-align: center;
    line-height: 22px;
    height: 22px;
    margin-top: 8px;
    text-decoration: none;
    color: #000;
    font-weight: bold;  
}
.menu_left ul li a.menu {
    background: url("images/menu_button_no.gif") no-repeat;
    width: 200px;
}
.menu_left li ul a.submenu {
    background: url("images/menu_button_sub_no.gif") no-repeat;
    width: 190px;
}

.menu_left ul li a.zaznacz {
    background: url("images/menu_button_active.gif") no-repeat;
    color: #fff;
}
.menu_left ul li a.subzaznacz {
    background: url("images/menu_button_sub_active.gif") no-repeat;
    color: #fff;
}

.menu_left li ul a.submenu:hover, .menu_left ul li a.menu:hover {
    text-decoration: underline;
    color: #fff;
}
.menu_left ul li a.menu:hover {
    background: url("images/menu_button_active.gif") no-repeat;
}
.menu_left li ul a.submenu:hover {
    background: url("images/menu_button_sub_active.gif") no-repeat;
}