Debugging for MS download problem

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@34243 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
#3392 Adding/removing column works. Css improvements.

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@34244 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e