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Solution
Submitted over 2 years ago

QR Code Component with HTML and CSS

Muhammad Fathur Rohman•20
@moofath
A solution to the QR code component challenge
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Community feedback

  • Melvin Aguilar 🧑🏻‍💻•61,020
    @MelvinAguilar
    Posted over 2 years ago

    Hello there 👋. Good job on completing the challenge !

    I have some suggestions about your code that might interest you.

    HTML 🏷️:

    • The <br> tag is often used to create line breaks, but it doesn't convey any semantic meaning. When a screen-reader reads the text, it will break the flow of reading at the line break tag, which can be confusing for users.
    • Since this component involves scanning the QR code, the image is not a decoration, so it must have an alt attribute. The alt attribute should explain its purpose. e.g. QR code to frontendmentor.io

    CSS 🎨:

    • Use min-height: 100vh instead of height. Setting the height to 100vh may result in the component being cut off on smaller screens, such as a mobile phone in landscape orientation.

      screenshot-imgur (landscape mode)📸

    • The width: 100vw property in the .container tag is not necessary. This will create a horizontal scrollbar on some devices.

    I hope you find it useful! 😄 Above all, the solution you submitted is great!

    Happy coding!

    Marked as helpful
  • Hassia Issah•50,410
    @Hassiai
    Posted over 2 years ago

    Replace <div class="container"> with the main tag and <h3> with <h1> to fix the accessibility issues. click here for more on web-accessibility and semantic html

    there is no need to give .container a width value. To center .card on the page using flexbox, replace the height in .container with min-height: 100vh.

    For a responsive content, replace the width in .card and img with max-width.

    Give h1 and p the same font-size of 15px which is 0.9375rem and the same margin-left, margin-right and margin-top values. Give p a margin bottom value.

    Hope am helpful.

    Well done for completing this challenge. HAPPY CODING

    Marked as helpful

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How does the accessibility report work?

When a solution is submitted, we use axe-core to run an automated audit of your code.

This picks out common accessibility issues like not using semantic HTML and not having proper heading hierarchies, among others.

This automated audit is fairly surface level, so we encourage to you review the project and code in more detail with accessibility best practices in mind.

How does the CSS report work?

When a solution is submitted, we use stylelint to run an automated check on the CSS code.

We've added some of our own linting rules based on recommended best practices. These rules are prefixed with frontend-mentor/ which you'll see at the top of each issue in the report.

The report will audit 1st-party linked stylesheets, and styles within <style> tags.

How does the HTML validation report work?

When a solution is submitted, we use html-validate to run an automated check on the HTML code.

The report picks out common HTML issues such as not using headings within section elements and incorrect nesting of elements, among others.

Note that the report can pick up “invalid” attributes, which some frameworks automatically add to the HTML. These attributes are crucial for how the frameworks function, although they’re technically not valid HTML. As such, some projects can show up with many HTML validation errors, which are benign and are a necessary part of the framework.

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