nft-preview-card-component-main

To center the section on the page using flexbox, replace the height in the body with min-height: 100vh.

To center  the section on the page using flexbox:
body{
min-height: 100vh;
display: flex;
align-items: center;
justify-content: center;
}

Give .image a max-width of 100% and the img a width and height of 100%.

Hope am helpful.

Well done for completing this challenge. HAPPY CODING

Thank you very much for that advice, and I have already applied those tips. You can see them here and give me a review on them https://www.frontendmentor.io/solutions/qrcodecomponentmain-uh1bAIMHZ8