DecoSegmentPanel applied for web

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@32340 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Web stylings

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@32341 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e