QR Code Component

Great job, Raphael!

Here are my suggestions for an even better solution. I hope you find them helpful :)

HTML:

• I would change the heading to a <h2> - a page should only have one <h1>, reserved for the main heading. As this is a card heading, it would likely not be the main heading on a page with several components.

CSS:

• Including a CSS Reset at the top is good practice.

• Remove the styles on main, they are not needed.

• max-width on the card should be in rem. Around 20rem will work fine.

• Remove width: 100%, as block elements take up the full width by default.

• font-size must never be in px. This is a big accessibility issue, as it prevents the font size from scaling with the user's default setting in the browser. Use rem instead.

• On the image, remove max-height and change max-width to 100% - the max-width prevents it from overflowing its container. Without this, an image would overflow if its intrinsic size is wider than the container. max-width: 100% makes the image shrink to fit inside its container.

Keep up the good work!