作者author和描述description的字体颜色应该怎么改？

[cjcqwe]

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Issue Checklist

• I am using the latest version of NexT.
• I have read the relevant documents of Hexo and NexT.
• I have reviewed the latest Roadmap on GitHub and searched for current issues, which does not help me.

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Expected behavior

Actual behavior

• Links to demo site with this issue: N/A
• Links to repository or source code of the blog: N/A

Steps to reproduce the behavior

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2. N/A
3. N/A

Environment Information

Node.js and NPM Information

Package dependencies Information

Hexo Configuration

NexT Configuration

Other Information

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