Shared vulnerability-details component > Prevent the false positive alert from inheriting Markdown styles

In #364781 (closed) we have added the false positive alert to the shared ee/app/assets/javascripts/vulnerabilities/components/vulnerability_details.vue component. This component wraps its content into a div that applies Markdown-specific styles with the .md class.

This makes the alert look off as its h2 appears bigger than what it allowed by Pajamas:

We need to ensure that .md styles don't leak in the alert to achieve something like this:

• Move the false positive alert out of the .md wrapper.