journal: small CSS fixes (#705)
journal: small CSS fixes (#705)

Do not allow date and numbers in journal table to wrap

Do not allow separator to get squeezed

When the narration-text is very long, the black separator square get's
squeezed to be less than the specified width wide. With added padding,
this squeezing is prevented.
yagebu/fava,beancount/fava,beancount/fava,beancount/fava,yagebu/fava,aumayr/beancount-web,beancount/fava,aumayr/beancount-web,yagebu/fava,yagebu/fava,beancount/fava,aumayr/beancount-web,yagebu/fava,aumayr/beancount-web