Reasons for creating this PR

Vocab statistics tables on vocab home page are not styled properly, this PR adds correct styles.

Link to relevant issue(s), if any

• Part of Epic: Vocabulary Home Page #1482

Description of the changes in this PR

• Fix CSS selectors and rules for statistics
• Separate vocab properties, statistics and download links to their own sections
• Fix html in Vue components
• Rename vocab-counts.js -> resource-counts.js to match the name of the vue component

Known problems or uncertainties in this PR

Checklist

• phpUnit tests pass locally with my changes
• I have added tests that show that the new code works, or tests are not relevant for this PR (e.g. only HTML/CSS changes)
• The PR doesn't reduce accessibility of the front-end code (e.g. tab focus, scaling to different resolutions, use of .sr-only class, color contrast)
• The PR doesn't introduce unintended code changes (e.g. empty lines or useless reindentation)