def td(content=False, color=False, span=False):
    """
    *Generate a table data cell - TBS style*

    **Key Arguments:**
        - ``content`` -- the content
        - ``color`` -- [ sucess | error | warning | info ]

    **Return:**
        - ``td`` -- the table data cell
    """
    if color is False:
        color = ''
    if content is False:
        content = ''
    if span is False:
        span = ''
    else:
        span = 'span%(span)s' % locals()
    td = '<td class="%(color)s %(span)s">%(content)s</td>' % locals()
    return td
