div.page_holder div.menu_holder {
    position: fixed;
    float: left;
    top: 10px;
    left: 0px;
    z-index: 100;
}

    div.page_holder div.menu_holder div.menu_button {
        float: left;
        clear: both;
        width: 34px;
        height: 40px;
        margin: -5px 0px -5px 0px;
        overflow-x: hidden;
        
        border: 0px solid #000000;
        background-position: top right;
        cursor: pointer;
    }
    div.page_holder div.menu_holder div.menu_button:hover {
        width: 125px;
        background-position: top left;
    }
    
        div.page_holder div.menu_holder div.menu_button div.menu_button_link {
            float: left;
            width: 120px;
            height: 40px;
            margin: 0px 0px 0px 5px;
        }
    
    div.page_holder div.menu_holder div.buttonA {
        z-index: 110;
        background: url("graphics/menu_buttonA_expanded.png") top right no-repeat;
    }
        div.page_holder div.menu_holder div.menu_button div.linkA {
            background: url("graphics/menu_buttonA_link.png") center left no-repeat;
        }
    div.page_holder div.menu_holder div.buttonB {
        z-index: 109;
        background: url("graphics/menu_buttonB_expanded.png") top right no-repeat;
    }
        div.page_holder div.menu_holder div.menu_button div.linkB {
            background: url("graphics/menu_buttonB_link.png") center left no-repeat;
        }
    div.page_holder div.menu_holder div.buttonC {
        z-index: 108;
        background: url("graphics/menu_buttonC_expanded.png") top right no-repeat;
    }
        div.page_holder div.menu_holder div.menu_button div.linkC {
            background: url("graphics/menu_buttonC_link.png") center left no-repeat;
        }
    div.page_holder div.menu_holder div.buttonD {
        z-index: 107;
        background: url("graphics/menu_buttonD_expanded.png") top right no-repeat;
    }
        div.page_holder div.menu_holder div.menu_button div.linkD {
            background: url("graphics/menu_buttonD_link.png") center left no-repeat;
        }