From your description, AnsPress should have nothing to do with it. Please start with providing URL to your website. Is it all fixed the instant you disable AnsPress plugin?
https://wordpress.org/plugins/add-meta-tags/ My site as example of what you’ll get: http://dima.stefantsov.com/qa/
same problem. the page loses aesthetics due to this.
Fixed, download from here: https://github.com/anspress/tags-for-anspress/archive/master.zip
You can use get_the_title(get_question_id());
Its how AnsPress works by default. But you can easily make rewrite ask page to http://forum.fedorovskoe.com/ask/, have a look at this code: https://github.com/anspress/anspress/blob/master/includes/rewrite.php#L81
Add this to your styles.css #ap-form-main .ap-btn.ap-btn-submit { color: #333 !important; }
No, you can use your theme as usual but you’ll not receive theme update.