[DT-3612] add boxes around data library cards on homepage with hoverover effect

[jlaw-codes]

Addresses

https://broadworkbench.atlassian.net/browse/DT-3612

Summary

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Have you read Terra's Contributing Guide lately? If not, do that first.

• Label PR with a Jira ticket number and include a link to the ticket
• Label PR with a security risk modifier [no, low, medium, high]
• PR describes scope of changes
• Get a minimum of one thumbs worth of review, preferably two if enough team members are available
• Get PO sign-off for all non-trivial UI or workflow changes
• Verify all tests go green
• Test this change deployed correctly and works on dev environment after deployment

[github-actions]

DUOS Coverage Report

File	Coverage	Lines	Branches
All files	32%	37%	27%	✅

Minimum allowed coverage is 0%

Generated by 🐒 cobertura-action against efb1200

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[kevinmarete]

Looks good.