remove legacy vendor prefixes from pdf css
remove legacy vendor prefixes from pdf css

burnpanck/reveal.js,siddhartha-gadgil/presentations,marc0der/sdkman-talk,stefan-langenmaier/reveal.js,rbtcollins/reveal.js,denehyg/reveal.js,marcusdb/funwithfunctional,Jean85/reveal.js,christofmarti/reveal.js,siddhartha-gadgil/presentations,fbecart/Presentations,snowyu/reveal.js,rbtcollins/reveal.js,dbs/reveal.js,siddhartha-gadgil/presentations,lvh/reveal.js,snowyu/reveal.js,uggla/reveal.js,gapple/myplanet-revealjs,seefood/DIYHolidays,soulcharmer/pubquiz_template,jlevallois/Kreveal.js,fbecart/Presentations,rbtcollins/reveal.js,tehfedaykin/10CommandmentsofCommunityOrganizing,marc0der/sdkman-talk,VisualComputing/Transformations,soulcharmer/pubquiz_template,lecovi/reveal.js,marcusdb/funwithfunctional,seefood/DIYHolidays,maximesinclair/presentations,burnpanck/reveal.js,kenkunz/js-crash-course,10xEngineer/reveal.js,rbtcollins/reveal.js,stevedesmond-ca/presentations,Jean85/reveal.js,VisualComputing/Transformations,agross/git-reveal,lecovi/reveal.js,lvh/reveal.js,kenkunz/js-crash-course,agross/git-reveal,maximesinclair/presentations,DiUS/reveal.js,denehyg/reveal.js,DiUS/reveal.js,jlevallois/Kreveal.js,rajgoel/reveal.js,10xEngineer/reveal.js,stefan-langenmaier/reveal.js,rbtcollins/reveal.js,jayramj/agile-retro,hakimel/reveal.js,Gottox/presentations,jayramj/agile-retro,hakimel/reveal.js,christofmarti/reveal.js,stevedesmond-ca/presentations,gapple/myplanet-revealjs,uggla/reveal.js,rbtcollins/reveal.js,dbs/reveal.js,tehfedaykin/10CommandmentsofCommunityOrganizing,rajgoel/reveal.js,lecovi/reveal.js