This selector is for the location and the size of the indicator - Change these for different location and size of the indicator (Keep the size in 1:1 ratio).
These selectors are for the 2 halves with `overflow:hidden` - Do not change these.
This combined with `.left` & `.right` are for the actual border - Change border color of these for a different circle color.
When your bath soap bar gets too small to use, don't throw it away! open the next bar, and when you finish showering, stick the small old bar to the back of the new bar. Onces they both dry, they will become one.