fix bugs

Xnotebook.html

assets/bootstrap/css/bootstrap.min.css

assets/css/styles.min.css

attributions.html

awards.html

contribution.html

description.html

design.html

engineering.html

experiments.html

faq.html

human-practices.html

index.html

model.html

parts.html

post.html

results.html

safety.html

team.html