Vote-2194: Fix to breadcrumb style

[clmedders]

Jira ticket

Vote-2194

Description

The breadcrumb style that was added last sprint was not getting applied to the voter guide... i update the class name to be more specific in the targeting

Deployment and testing

Post-deploy steps

1. run lando retune and cd into the votegov theme

QA/Testing instructions

1. visit a voterguide and inspect the hero and check that the header is getting a margin top of 80px/5rem applied

Checklist for the Developer

• A link to the JIRA ticket has been included above.
• No merge conflicts exist with the target branch.
• Automated tests have passed on this PR.
• A reviewer has been designated.
• Deployment and testing steps have been documented above, if applicable.

Checklist for the Peer Reviewers

• The file changes are relevant to the task objective.
• Code is readable and includes appropriate commenting.
• Code standards and best practices are followed.
• QA/Test steps were successfully completed, if applicable.
• Applicable logs are free of errors.