Prevent ToC from repositioning when zoom is <100%

[travisk-codes]

Changes:

• Specify Content component width with vw units instead of a percentage
• Remove unnecessary width property
• Fix #349

Screenshots: Before: After:

[veksen]

I'm confused to why 1vw means anything here, that's 1% of the viewport.

[veksen]

Also assuming this sort of fixes and allows https://github.com/the-programmers-hangout/website/pull/343 to move forward? You'll get to rebase it to master once this is merged and see how it reacts.