Please stop using Markdown blockquotes like this.
That tag is converted to HTML's
<blockquote>; both are semantic tag, that are supposed to signal that the text is a citation. Misusing tags can mess things up with web parsers, search engine crawlers, and screen readers for disabled people. While
blockquotes may seem less dangerous to misuse that other tags such as
code, I still think it's bad practice.
Moreover, If the default CSS is altered, they may end up not looking like users expect. For instance, an user here states that they look much different in the mobile layout, and they don't seem like emphasized text at all.