3 Things (Almost) No One Knows About CSS

Think you know CSS? If the results of a free CSS test I’ve offered online for the past six months are anything to go on, plenty of practicing developers don’t know CSS as well as they think. Out of over 3,000 people who have taken the test so far, the average score was just 55%.

But hey, an average isn’t that interesting by itself. I was more curious about which questions people were getting wrong. For this article, I’ve run the numbers, and zeroed in on three questions where people scored especially badly. I’ll talk you through each question, show you the answer that most people chose, and explain the correct answer.

It’s safe to say that if you take the test yourself after reading this, you’ll have an unfair advantage!

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