Currently, I am customizing a CSS file in a WordPress theme setup.
Throughout the CSS code, there are instances where I need to designate something as '.example', sometimes as '#example', and occasionally it can just remain 'example'.
Can anyone explain the guidelines on when to use each type of identifier and how I can determine which one to utilize moving forward?
This issue may pertain to div ids and classes.
There isn't a strict 100% rule, but in general:
An id should be unique, meaning any styles assigned to an ID will only affect that one specific element on the page. This is why it's often more practical to apply styles using classes rather than IDs since you'll likely want to reuse styles most of the time. Also, using an ID can make it difficult to override styles later due to specificity issues.
I personally go a step further and advocate for never styling anything by ID, always opting for classes instead. The only exception I may occasionally make is for scoping styles at the page level based on the ID of the body tag. Even then, using a class would serve the same purpose.
I suggest delving into OOCSS (please note: I do not utilize any of the files shown in the examples - I am simply referring to the FAQ)
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