restarted the site

...e-boltzmann.com/static/fonts/CMUConcrete-BoldItalic.woff2

lattice-boltzmann.com/static/fonts/CMUConcrete-Italic.woff2

lattice-boltzmann.com/static/fonts/CMUConcrete-Roman.woff2

lattice-boltzmann.com/static/fonts/CMUSansSerif-Bold.woff2

...boltzmann.com/static/fonts/CMUSansSerif-BoldOblique.woff2

...ice-boltzmann.com/static/fonts/CMUSansSerif-Oblique.woff2

lattice-boltzmann.com/static/fonts/CMUSansSerif.woff2

lattice-boltzmann.com/static/fonts/CMUSerif-Bold.woff2

lattice-boltzmann.com/static/fonts/CMUSerif-BoldItalic.woff2

lattice-boltzmann.com/static/fonts/CMUSerif-Italic.woff2

lattice-boltzmann.com/static/fonts/CMUSerif-Roman.woff2

lattice-boltzmann.com/static/fonts/CMUTypewriter-Bold.woff2

...boltzmann.com/static/fonts/CMUTypewriter-BoldItalic.woff2

...ice-boltzmann.com/static/fonts/CMUTypewriter-Italic.woff2

...ce-boltzmann.com/static/fonts/CMUTypewriter-Regular.woff2

lattice-boltzmann.com/static/fonts/bright.css

lattice-boltzmann.com/static/fonts/concrete.css

lattice-boltzmann.com/static/fonts/sans.css

lattice-boltzmann.com/static/fonts/serif.css

lattice-boltzmann.com/static/fonts/typewriter.css