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  • Lucas Reis thinks this is interesting:

As your style sheet grows, you will want to break it into smaller, more manageable files. The @import rule enables you to import a CSS file to the current style sheet. You can specify as many @import rules as you need, but the @import rules must be at the top of your style sheet, before any other content except the @charset rule. If you even have a comment above the @import rules, they will not work properly.