I didn’t know there’s something called 404 day, yesterday I was designing a 404 page for my startup site, front end isn’t my area of expertise and not yet done

I didn’t know there’s something called 404 day, yesterday I was designing a 404 page for my startup site, front end isn’t my area of expertise and not yet done but open for feedback https://ubiquitous-tapioca-350c21.netlify.app/404.html https://ubiquitous-tapioca-350c21.netlify.app/404.html