[All Adaptavist Apps]
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In earlier versions of Theme Builder, it was difficult to have one master CSS file that would be used across multiple spaces so many of our clients created a css file and imported it in to the Custom CSS using the CSS @import directive.
Well, due to the new Layout Inheritance feature on Theme Builder 3.x you can now easily define a master CSS file directly within the Custom CSS (and IE CSS) settings then re-use and even extend that CSS across multiple spaces and theme layouts. We've even made the CSS text boxes resizeable for easier editing!
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