Improve my-tip ui

This is an attempt to solve #1463. 

![cancel1](https://cloud.githubusercontent.com/assets/3893573/4692170/77071746-5750-11e4-9ba4-58e7ba7ca772.png)

![change1](https://cloud.githubusercontent.com/assets/3893573/4692172/7716caba-5750-11e4-9e06-e1262b8c4cf7.png)

![cancel2](https://cloud.githubusercontent.com/assets/3893573/4692171/770f18b0-5750-11e4-9960-d8524afa010e.png)