Merge pull request #15 from cpiment/dev

Update CSS post to fix internal link

blog/20211016-the-mistery-of-the-changing-width/index.mdx

@@ -22,7 +22,7 @@ Source: [CSS Tricks](https://css-tricks.com/css-is-in-fact-awesome/)
 And it was a matter of time that I had the first CSS mistery in this blog.
 
 I realised that while browsing this blog, when I entered the 
-[Hello World](https://pimentel.page/blog/20211011-hello-world/) the position
+[Hello World](https://pimentel.page/blog/hello-world/) the position
 of the title and the links was slightly different than the rest of the pages
 (About and Blog). Using the developer tools I realised that, although the main
 div had the 800px size I had defined, the total width of the page changed,