Awesome! It must have taken you a lot of time for this recipe. The two recipes would suit people of different tastes. Many thanks.
The text size doesn't seem to work. It applied to only some of them. I was also trying to change the title size. But after adding the code, even the title size failed.
Code:
extra_css ='''
div.artical {
font-size: x-small;
}
'''
'\n h2 { font-size: large; }\n h1 { font-size: large; }'