qr-code-component-main-solution

Add the alt attribute alt=" " to the img tag and replace <div class="card"> with the main and <h3> with <h1> to fix the accessibility issue. click here for more on web-accessibility and semantic html

To center .card on the page using flexbox, replace the height with min-height: 100vh. there is no need for the height value, the padding value is a responsive replacement of that.

For a responsive content which won't require a media query for, this challenge, replace the width of .card with a max-width. e.g: max-width: 400px. Give p and h1 the same padding-left and padding-right values.

Use rem or em as unit for the padding, margin, width and preferably rem for the font-size for more on CSS units Click here

Hope am helpful.

Well done for completing this challenge. HAPPY CODING