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Asked: 2026-05-17T23:32:59+00:00

I’m wondering if there is any difference between div.class and .class as CSS selectors

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I’m wondering if there is any difference between div.class and .class as CSS selectors if there is only one tag (the DIV) with that attribute. Same thing for IDs: div#ID and #ID.

Any idea what, if anything, is the difference? For me, I use the class or ID in these situations; but only because it’s quicker to type.

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1 Answer

  1. Editorial Team
    1. They are more specific, so long ones will override the shorter version if they conflict. div.foo will have a specificity of 11 while .foo has a specificity of 10.
    2. Since they are more specific, you know exactly which nodename the class applies to instead of being a universal rule for all node names, this can help if you have a huge application with tons of elements that all have the same class names, it can lessen the time for you to find the element in the source/text editor.
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