In my CSS file based on ID, I have noticed that there is a lot of repetition. What I am trying to achieve is setting up a rule where an element with a specific ID inherits properties from a certain class and additional rules. For instance, I want the element with ID id1 to inherit all properties of class LinkButton along with having back-color: green. Is there a way to accomplish this in the CSS file? Are there any better solutions for what I am attempting to do?
If you want to apply multiple selectors to a set of properties, it can be done like this:
.ButtonLink , #identifier1 { color: blue; border: solid 1px red; } /* Both will have these styles */
#identifier1 { background-color: yellow; } /* Additional rules applied */
You can also override specific properties if necessary:
.ButtonLink , #identifier1 { color: blue; background-color: blue; } /* These styles will apply to both */
#identifier1 { background-color: yellow; } /* Changing the existing rules */
Alternatively, you can assign both a class and an ID to an element:
<div id="identifier1" class="ButtonLink ">
Opting not to rely on ID based style sheets is a wise choice. Utilizing classes eliminates redundancy and offers much more versatility. Why limit yourself to IDs when classes can do the job just as effectively, if not better? (You can still pinpoint specific elements with classes.)
You can effortlessly combine multiple CSS classes together (except for IE6, which unfortunately has trouble interpreting them correctly.)
<span class="info extrabig highlight"> Important hint </span>
If there's a particular element that requires highly specific styling rules, assign it a class corresponding to its ID:
<span id="really_special" class="id_really_special info extrabig highlight">
Then define the distinct properties of the element within the .id_really_special class.
In my opinion, IDs should primarily be used for accessing elements in the DOM. Styling elements is best left to classes.
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