Update wiki/pages/model.html

See merge request !2

Update wiki/pages/design.html, wiki/pages/education.html, wiki/pages/future-directions.html, wiki/pages/human-practices.html, wiki/pages/implementation.html, wiki/pages/model.html, wiki/pages/parts.html, wiki/pages/protocols.html, wiki/pages/safety.html, wiki/pages/survey.html, wiki/pages/team.html

Update wiki/pages/design.html, wiki/pages/education.html, wiki/pages/future-directions.html, wiki/pages/human-practices.html, wiki/pages/implementation.html, wiki/pages/model.html, wiki/pages/partnership.html, wiki/pages/parts.html, wiki/pages/protocols.html, wiki/pages/safety.html, wiki/pages/survey.html, wiki/pages/team.html

Update wiki/pages/index.html, wiki/pages/communication.html, wiki/pages/contribution.html, wiki/pages/description.html

Update wiki/pages/collaborations.html, wiki/pages/communication.html, wiki/pages/contribution.html, wiki/pages/description.html, wiki/pages/background.html

Update static/fade-in.js, wiki/pages/background.html, wiki/pages/attributions.html, wiki/pages/collaborations.html

Update wiki/pages/parts.html, wiki/pages/survey.html, static/style.css, wiki/pages/contribution.html