bugfix modal-content overflow for animation
app header styling
Merge pull request #66 from Rise-Vision/feature/app-header

app header styling
file-picker styling
Merge pull request #67 from Rise-Vision/feature/file-picker

file-picker styling
Merge remote-tracking branch 'origin/master' into new-components

Conflicts:
	src/app.scss
	src/ui-components/app-header.scss