The property of a test to detect only certain antibody or antigen and not to react with any others is specificity.
The method by which browsers identify the CSS declaration that is most pertinent to an element and, consequently, the property value to be applied to the element, is known as specificity. In order to choose which CSS rule among conflicting declarations is applied to an element, the specificity algorithm weighs each CSS selector. The weight assigned to a certain CSS declaration is determined by a formula called specificity. The number of selections in the selector matching the element determines the weight for each weight category (or pseudo-element). When there are multiple declarations offering various property values for the same element, the one with the highest algorithmic weight in the style block with the matching selector is used to apply the declarations.
the property of a test to detect only certain antibody or antigen and not to react with any others is
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