can we make the accordion vertical bars thicker?

[kmun]

Is your feature request related to a problem? Please describe. A clear and concise description of what the problem is. Ex. I'm always frustrated when [...] We have a difficult time seeing what color the accordion bars are in our plots because the bars are not wide enough. Describe the solution you'd like A clear and concise description of what you want to happen. I would like to change the edge_line_style so that i can change the thickness, it appears i can only change the color with that attribute. Describe alternatives you've considered A clear and concise description of any alternative solutions or features you've considered. none Additional context Add any other context or screenshots about the feature request here.