Ajaya Mati

Results 2 issues of Ajaya Mati

### The problem is in BASE_FONT_SIZE, and it breaks after a value of 14 on Chrome and 18 on firefox. ![feb23-console-feed](https://user-images.githubusercontent.com/43005088/108796302-6e497800-75ae-11eb-9c37-f9bb77a17408.png) ![image](https://user-images.githubusercontent.com/43005088/108796373-a2249d80-75ae-11eb-983d-d6e5aa88b730.png)

changed to es6 class structure