One step at a time - it is still working through the devel stage.
Did you try the analog clock ?
Important you change color so you can see it

(I know - I went round and round learning I had silly settings)

After analog clock try BCD clock

for the date time and decimal clocks
the fonts need to be right,
you need color or white in the color picker
and the font size needs to be some number like 80 or 100
( a real gotcha if you tend to think in point size)

and you may need to completely restart the thing sometimes
when you make big changes:
use this mantra: