The initial value of a CSS property is its default value, as listed in its definition table. The usage of the initial value depends on whether a property is inherited or not:
Note: You can explicitly specify the initial value by using the initial
keyword.
Specification | Status | Comment |
---|---|---|
CSS Cascade 4 | Formal definition. | |
CSS Level 2 (Revision 1) The definition of 'initial value' in that specification. | Recommendation | Implicit definition. |
initial
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https://developer.mozilla.org/en-US/docs/Web/CSS/initial_value