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Turn your HTML and CSS notes into an online quiz you can study

DeckOwl does not hand out web templates or code files. Upload your own HTML and CSS material and it writes multiple-choice, true/false or short answer questions with explanations.

Create quizzes nowFree · No credit card required

Drop files here or browsePDF, DOCX, PPTX, text or photos of your notes · several files with Plus

Free · First set needs no signup · Creates quizzes in seconds

Custom HTML and CSS quizzes from your own material

Downloadable online quiz templates for HTML and CSS usually come with generic questions that may not match what your class covers. DeckOwl takes a different route: it reads your own notes and writes questions about those exact topics, such as selectors, the box model and flexbox, with explanations for each answer.

Questions are generated from the notes or slides you upload, not from a generic bank
Multiple choice, true/false and short answer formats with explanations
Photos of pages are read with text recognition
Free plan includes 3 generations per month and browser study

Example HTML and CSS quiz questions

Which CSS property sets the space between an element's content and its border?Padding. It sits inside the border, while margin sits outside the border.

What does the charset declaration in the head of an HTML page do?It sets the character encoding so text such as accented letters displays correctly in the browser.

True or false: class selectors in CSS are written with a hash symbol.False. Class selectors use a dot, such as .card, while id selectors use a hash symbol.

Which display value turns a container into a flex layout?display: flex. It makes the direct children flex items that can be aligned and sized along an axis.

Why does box-sizing: border-box make element width easier to predict?It includes padding and border in the total width, so a box set to 300px stays 300px wide.

Generate the full set

Built from your material

Upload a PDF, slides, DOCX or plain notes, and the questions come from the exact topics your course covers.

Explanations for every answer

Each question comes with an explanation, so a wrong answer on the box model or selectors teaches you why.

Study in the browser

The free plan includes 3 generations per month and lets you work through the quiz right in your browser.

How it works

Upload your notes

Add a PDF, slides, a DOCX file, plain text or a photo of a page. Photos are read with text recognition.

Choose a question type

Pick multiple choice, true/false or open questions, then generate the quiz from that material.

Practice and export

Work through the quiz in your browser. PDF and DOCX export come with Plus, and QTI and Moodle XML come with Pro.

The free plan includes 3 generations per month and studying in the browser. Exporting to PDF or DOCX requires Plus at $39/year or $7.99/month. QTI 2.1 and Moodle XML export are part of Pro at $14.99/month. No credit card is needed to start.

Students can get 40% off with a school email.

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Frequently asked questions

How many questions should an HTML and CSS quiz have?

Ten to twenty questions is a good range for a self-check on one topic, such as the box model or CSS selectors. That length is enough to test recall without making the session feel like an exam.

What topics should I cover in an HTML and CSS quiz?

Start with document structure and common tags, then move to selectors, the box model and layout with flexbox or grid. Test each topic with a question that asks you to predict how the page will render.

Can I download the quiz as a file?

Yes, PDF and DOCX export are included with Plus, which costs $39/year or $7.99/month. The free plan lets you study the quiz in your browser but does not include exports.

Does DeckOwl write HTML and CSS code for me?

No. DeckOwl creates study questions from your material, so it will not give you a web page layout or code file to download.

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Keep exploring the topic

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