Why do we even need CSS frameworks?
First of all, let's give some thought to what’s so special about frameworks and what makes them diff...
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I'd personally recommend folks to use these but also go a little deeper into: 1. learning core CSS 2. looking at the source code of these and not just dumping the front loader onto their page (e.g. Bootstrap allows you to import individual scss files as needed; has custom scss variables and also css custom variables that allow you to really customize your UI [ so I disagree with the whole cookie cutter things about BS; folks just don't know how to use it properly])
Agreed and appreciable. If some one using bootstrap has bothered looking into the implementation, he'll soon be looking at the bigger picture beyond frameworks and libraries.