I don't know what happened [here](https://stackoverflow.com/questions/7748910/how-do-i-make-a-button-stretching-to-the-entire-length-of-the-right-side-of-a-tab), but it seems that the question has [two](https://stackoverflow.com/questions/7748910/how-do-i-make-a-button-stretching-to-the-entire-length-of-the-right-side-of-a-tab/7749128#7749128) [answers](https://stackoverflow.com/questions/7748910/how-do-i-make-a-button-stretching-to-the-entire-length-of-the-right-side-of-a-tab/7748980#7748980) from the same user. Is that supposed to be possible? Why?