Merge pull request #7 from ChrisBoesch/master

update
Merge pull request #8 from ChrisBoesch/master

update
Merge pull request #14 from Arathi298/master

update selectquests.html & practice.html for small screen size
Merge pull request #15 from Arathi298/master

update selectquests.html & practice.html for small screen size latest
Merge pull request #9 from ChrisBoesch/master

update
preset values for quest
Merge pull request #16 from ruijunhuang2010/master

update
minor change
Merge pull request #17 from ruijunhuang2010/master

update
Merge pull request #3 from ChrisBoesch/master

update 27/05 20:29