[x] Format better; change colors from red and blue to match theme and visualize binary better, fix resolution, format given numbers next to each row to stay consistent with game instructions
[x] Delete consistently-updating output decimals to make the game effective for learning (add "Submit" button instead for answers + output printing how many out of 4 they got correct)
[x] "New" button (randomly generate new given decimals to convert and also reset board to 0s--default) and "Submit" button