The <textarea> place where you write your answer really needs to be improved. It would be nice if they could make it wider, or allow for it be expanded by nativ

The <textarea> place where you write your answer really needs to be improved. It would be nice if they could make it wider, or allow for it be expanded by native browser functionality. Also, it would be great if when I pressed the tab key, it inserts a tab into the text buffer.