The article explains why text color deviates to the default (black) instead of the anticipated blue, focusing on custom properties’ behavior in CSS. Custom properties defined using `var()` behave differently than traditional CSS properties. The article clarifies that since the property isn't animated, its defined value remains valid, leading to an invalid outcome when misunderstood. It also highlights strategies to maintain fallback behaviors in CSS for better compatibility across browsers, emphasizing that without properly constructed custom properties and their management, fallback strategies may not work as intended.
In the end, our CSS computes to an invalid state, which is why black is rendered as the text color, indicating the importance of proper fallback mechanisms.
Custom properties don't act like regular properties; once a custom property is encountered, its value is immediately determined and previous declarations can't fallback.
The value blue may seem like a fallback candidate for text color, but due to custom property rules, it gets discarded rather than applied rightly.
A well-structured CSS should consider scenarios of unsupported properties to ensure valid fallback values are effectively utilized in rendering.
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