Hide an element by animating the height.
Example:
{% button action={slide_up target="myid"} %}
Hides the element with id myid when the button is clicked.
.. seealso:: actions :ref:`action-toggle`, :ref:`action-show`, :ref:`action-hide`, :ref:`action-fade_in`, :ref:`action-fade_out`, :ref:`action-slide_down`, :ref:`action-slide_fade_in` and :ref:`action-slide_fade_out`.