[libreoffice-accessibility] accessibility questions

I saw a wish list of fixes for libreoffice so I'm writing to ask a question.
Im just wondering if there is anyone (you or anyone you know of) has a way
to increase the size of the arrows in the bottom left corner of librecalc -
these arrows allow navigation left/right of the tabs across the bottom of
spreadsheets..

Changing fonts didnt work.
Increasing scale to 130% in options didnt work.
Edited the graphic toolkit file didnt work..

Some of my attempts may have failed due to following instructions
incorrectly, so it could be user error, my error..  I would need specific
and clear instructions with screenshots preferably..

Im using Ubuntu 13.10 and LibreCalc 4.0.2.2.

I've tried editing the gtk file according to some suggestions on the web
with no success, so if you have any methods that are tested and working to
fix these arrows, I would appreciate any tips you have.

I'm hoping you have been involved in the mailing list long enough to have
connections to someone who knows a solution.

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