Lesson learned for migrating a theme to Bootstrap 4

Migrating my blog to use Bootstrap 4

In the previous article, I mentioned the blog was migrated to Pelican. After that I customized it and add some new features. I found Bootstrap 3 was released for a few years and there would be no update. I tried to update the theme to Bootstrap 4.5. Let's talk about what is the lesson learned.

First of all, I am not a web developer. Creating or customizing the small themes make me learn a …