It is the same in CSS as in OOP. Inheritance is good and nice but... You should not build 20 layers of it. You can build really nice CSS layout where componen

It is the same in CSS as in OOP. Inheritance is good and nice but... You should not build 20 layers of it. You can build really nice CSS layout where components are separated and that is idea of component frameworks. There you have maybe 2 layers of cascade and that is it. So it is people building castles in the sand thinking they are smart, until water comes in and all is washed away.