Prepare screenshots for a potential blog post

* blog-files/css-selectors-level-4/dynamic-specificity-1x.png: Added.
* blog-files/css-selectors-level-4/dynamic-specificity-2x.png: Added.


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@187779 268f45cc-cd09-0410-ab3c-d52691b4dbfc
3 files changed