Character and Line spacing on Readme Markdown code block issue - specially when accessing from Mobile Devices

Hello,

We're using the Readme.md (Markdown) to document our project. Part of the documentation uses ASCII drawing which is not rendered 100% correct for two reasons:

Line Spacing

On A PC Chrome Browser or in a Chrome running on Android Devices the line spacing is set to be 1.4 - Although that might look nice, this is not the best for "monospace" or "<pre>" blocks where we normally expect to be 1x1 character.

Example:

#!
       ┌─┐
       │o│
       │o│
       │o│
       └─┘

As you can see above the "image supposed to be a closed box, but there are gaps between the lines.

Character Spacing on Mobile Device

Opening the same blocks on an Android Device, using Chrome (sorry I don't have IPhone to test from it), there's also other issue, where the whole character space gets corrupted. I've attached two screenshots, showing the PC (Windows + Chrome) and the Android version of the same page: