def get_mark_css(aes_name, css_value):
    """Generate CSS class for <mark> tag.

    Parameters
    ----------
    aes_name: str
        The name of the class.
    css_value: str
        The value for the CSS property defined by aes_name.

    Returns
    -------
    list of str
        The CSS codeblocks
    """
    css_prop = AES_CSS_MAP[aes_name]
    if isinstance(css_value, list):
        return get_mark_css_for_rules(aes_name, css_prop, css_value)
    else:
        return get_mark_simple_css(aes_name, css_prop, css_value)