v3.1.4

What's Changed

• ci: Refactor WebdriverIO tests from sync to async mode by @lens0021 in #675
• Indent lower <li>s under 4 level by @lens0021 in #677
• backport: Make headers distinguishable by @lens0021 in #679
• Minify font-size on little larger mobile devices by @lens0021 in #681
• Center VE preview by @lens0021 in #685
• Make FlaggedRevs's comment box not overflow by @lens0021 in #687
• Backport: Enlarge h3 than h4 by @lens0021 in #688

Full Changelog: v3.1.3...v3.1.4