Tips for Preserving Styles When Importing New Classes

This happens so that the styles you've created before don't get messup but the new classes you are importing. therre are two ways I go about it

I import all the sections I need before starting to customizing
I manuallly change the new class that has the number to the original padding and do the same for everything in the stle guide
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I think relume plugin also help take care of some of this thing Adam M.