Merge pull request #1 from tombigel/master

update demo page
Merge pull request #2 from tombigel/master

added link to github
Merge pull request #3 from tombigel/master

merge master
Update style.css
Update index.html
Update index.html
Update style.css
Update style.css
Update style.css
Merge pull request #4 from tombigel/gh-pages

pull gh-pages into master