You’re assigned with a small task to fix some little styling issues here and there. You found the correct css rules to apply the fix, you quickly drop those rules at the bottom of your css file, push your changes and then move on with more important stuff. Over time this happens a couple of times and before you know it “the bottom” of your css file consists of a few hundred lines of css that nobody understands and nobody dares to remove as it will inevitably break stuff.
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