how to resize marker and bars on roadmap planner macro to get full text displayed

[Muhammad Ali]

Reference Roadmap Planner Macro :

how to resize the lane and markers to show the complete text. Also, for bar, is there a way to autofit?

Secondly, the bar seems to be locked to a minimum width of what looks like nearly a week. My task is of few days. How do I minimise the bar size to reduce the number of days shown?