fix: move vertical-align to td, th to avoid UA style dependency (#608)

[asavartsov]

Fixes #608 by moving vertical-align propery to td and th tags as style defined on table has no effect (at least in Google Chrome) because of inheritnce of td and th on tbody and thead which does not inherit vertical-align from table by default.

[coveralls]

Pull Request Test Coverage Report for Build 220

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 87.792%

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Totals
Change from base Build 219:	0.0%
Covered Lines:	763
Relevant Lines:	826

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💛 - Coveralls