Use a slash, rather than a hyphen, for constructions such as and/or, either/or, over/under, red state/blue state, etc. No space on either side of the slash.
We added this guidance to the Stylebook's punctuation chapter this year, along with expanded help
Oftentimes, it takes us buckets of tears, sweat and (literally) blood before we achieve what we want in life. But so long as it means waking up the next day to a morning as majestic and picturesque as this, I would not mind fighting till I shed the last b