CSS button styling with right border tilted toward bottom by 60 degree

[![enter image description here][1]][1]

I want to create a dynamic button for all the text and screen size where the bottom and left border is not displayed and the right border is tilted toward bottom by 60 degree something similar to the image . Pls help me not able to achieve this
[1]: https://i.sstatic.net/2f09crTM.png