'In CSS what does it mean when only the property name is crossed out but not the value?

So I know that when you see a CSS property crossed out, it means that it's being override by a more specific rule, but in the pic below you can see that the margin property is crossed out, but the value is not. What does that mean?

enter image description here

css


Solution 1:[1]

The value is also crossed-out/striked-through but it is not properly visible because the striking/crossing line goes underneath the number and 'px'. You can still see that line where there is space in between. Also, last semi-colon is striked, so you can verify it this way.

Hope you agree with my perspective.

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Source: Stack Overflow

Solution Source
Solution 1 Temani Afif