better button design

[amboxer21]

Better buttons need to be added. SO instead of the text inside of the buttons, I think a triangle for the start button would be better. As well as a square for the stop button. I think the buttons are fine as they are but the text needs to be replaced with these icons. They must be transparent as well and follow the same design as the circle. That being transparent inside with slightly darker in color for the border. (Android App)