Blue and red color conflict

In Responsive Web Design - Learn CSS Flexbox by Building a Photo Gallery - step 7, there is instruction saying

Then give your img elements a width of 100% , padding set to 5px , and a border set to 5px solid blue

but if I enter that the answer is wrong and another instruction appears below saying

Your .gallery selector should have a border property set to 5px solid red .

Welcome to the forum @nijazmuratovic10

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Happy coding

Oh, sorry. I confused the instruction for .gallery for which I should put red color, and for img for which I should put blue color. It is OK now. There is no any bug there.