Would it be more beneficial to utilize css .class instead of #id to avoid issues with style overriding and importance?
#content ul li a {font-size:10px}
#content .demo ul li a {font-size:15px}
Would it be more beneficial to utilize css .class instead of #id to avoid issues with style overriding and importance?
#content ul li a {font-size:10px}
#content .demo ul li a {font-size:15px}
In web development, the id attribute is meant to uniquely identify a single element, whereas the class attribute can be applied to multiple elements.
For more information on the differences between id and class, check out this helpful resource: Id vs Class
When it comes to CSS rules, a class does not always override an ID. In the case of conflicting rules for the same element, the browser calculates a score based on the specificity of each rule. Points are awarded to each part of the rule, and the rule with the highest total points is applied.
For example:
#content ul li a {font-size:10px} = 100 + 1 + 1 + 1 = 103
#content .demo ul li a {font-size:15px} = 100 + 10 + 1 + 1 + 1 = 113
I hope that explanation clarifies things for you.
In my opinion, IDs should only be utilized for elements that require unique identification for JavaScript functionality.
While IDs may have greater specificity in CSS calculations, this alone is not a sufficient reason to rely on them.
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