Works nicely in firefox mobile.

Love it when it works. Problem is that with this addon enabled, it breaks some pages such as Facebook. Hope the dev can fix it!

But i also would like to change the color and height of the line.

uninstalled, because it reproducibly breaks pages.

initial review was:
"Good! Replaces 'Scroll Progress' for me.
Would love to configure both width and colour of the Reading Bar, as the 'Loading Progress Bar' does."