I ignore what standard the page follows but the code looks like it was generated or written by someone with little knowledge about CSS. Among other things, code is duplicated all over the place ; everything is globally centered, before every element being individually aligned to left.

This is what it would look like with proper "boring old" html/css written back in the days https://jsfiddle.net/dgtvjn5x/ (more readable and slightly lighter)

For the sake of completeness:

-it would require a more verbose doctype or none depending on when it was written ;

- the "style" element would also require a "type" attribute until some point in time ;

- "border: none" isn't required anymore, browsers have stopped adding border around images.

PS. this is just a comment about how html/css can still be easy and straightforward these days. I do not mean to undermine the fact that the owner did the right thing with regard to standing for and protecting the domain (and promoting eff :)).