Algebra input css changes

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@32651 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Clicking outside of the toolbar will close the submenus. (#4134)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@32652 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Long click's delay changed to 1s. (#4134)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@32653 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e