some css fix
Merge branch 'master' of https://github.com/yueinteractive/readingproject-yue

Conflicts:
	css/style.css
Revert "improved header hover effect :)"

This reverts commit c2035f638805c3c6d8776316f5e54676e17c3c82.

Conflicts:

	css/style.css
I create a blurb demo, but when apply to my project, it doesn't work well