Basic HTML & CSS QR Code component

Hello! Your solution looks really good! 😀

Here is some advice:

• add CSS reset to your CSS code, learn about it here -> CSS reset, to do that add:

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

• here is an article about IDs and classes in CSS -> article.

Hope it was helpful and happy coding! 😁