add clear:both div after answer area to push down page-description
add clear:both div after answer area to push down page-description

christianmemije/kolibri-exercise-perseus-plugin,learningequality/kolibri-exercise-perseus-plugin,christianmemije/kolibri-exercise-perseus-plugin,66eli77/kolibri-exercise-perseus-plugin,66eli77/kolibri-exercise-perseus-plugin,learningequality/kolibri-exercise-perseus-plugin,66eli77/kolibri-exercise-perseus-plugin,christianmemije/kolibri-exercise-perseus-plugin