def get_spines(ax):
    """

    return the spines in the order of Cascading-style sheets for the ax

    - Top
    - Right
    - Bottom
    - Left

    """

    spines = ax.spines.items()
    rtn_spines = [0, 1, 2, 3]

    for direction, spine in spines:

        if direction == "top":
            rtn_spines[0] = spine

        if direction == "right":
            rtn_spines[1] = spine

        if direction == "bottom":
            rtn_spines[2] = spine

        if direction == "left":
            rtn_spines[3] = spine

    return rtn_spines