fix(docs-infra): make inline code stand out more (#40944)
fix(docs-infra): make inline code stand out more (#40944)

This commit improves the styling of inline code blocks to make them
stand out more.

Before: ![code formatting before][1]
After: ![code formatting after][2]

This change has been extracted from #36045.

[1]: https://user-images.githubusercontent.com/8604205/108554295-8e521080-72fc-11eb-94e8-09246ae334c8.png
[2]: https://user-images.githubusercontent.com/8604205/108553733-c9077900-72fb-11eb-8001-1f0baf8b95bc.png

Co-authored-by: Stefanie Fluin <sjtrimble@gmail.com>

PR Close #40944

angular/angular,alxhub/angular,manekinekko/angular,mgechev/angular,manekinekko/angular,brandonroberts/angular,gnomeontherun/angular,angular/angular,JiaLiPassion/angular,shairez/angular,ocombe/angular,alxhub/angular,alxhub/angular,alxhub/angular,angular-indonesia/angular,brandonroberts/angular,gnomeontherun/angular,ocombe/angular,gkalpak/angular,manekinekko/angular,angular/angular,JiaLiPassion/angular,alxhub/angular,gnomeontherun/angular,brandonroberts/angular,gkalpak/angular,ocombe/angular,brandonroberts/angular,gkalpak/angular,JiaLiPassion/angular,shairez/angular,angular-indonesia/angular,mgechev/angular,shairez/angular,angular-indonesia/angular,shairez/angular,brandonroberts/angular,mgechev/angular,mgechev/angular,gkalpak/angular,angular-indonesia/angular,manekinekko/angular,shairez/angular,manekinekko/angular,mgechev/angular,JiaLiPassion/angular,ocombe/angular,manekinekko/angular,angular/angular,ocombe/angular,ocombe/angular,brandonroberts/angular,gnomeontherun/angular