Css what is the difference between and
The crucial difference between the two is that HTML is used for the creation of the webpages and CSS is used to control the styling and layout of web pages. In HTML, firstly you write words then add elements or tags to it, which thereafter appear on your page.
Through this way, the browser gets to know the heading of the page, beginning and ending of the paragraph, and so on. CSS properties are generally classified into two broad categories. First is the presentation which specifies the colour of the text, font type, font size, background colours, background images, etc.
Second is layout defines the position of the different elements on the screen. Another aspect where selectors differ is in their specificity - an id selector is deemed to be more specific than class selector.
This means that where styles conflict on an element, the ones defined with the more specific selector will override less specific selectors. See Selectutorial for more great primers on CSS selectors - they are incredibly powerful, and if your conception is simply that " is used for DIVs" you'd do well to read up on exactly how to use CSS more effectively. EDIT: Looks like Selectutorial might have gone to the big website in the sky, so try this archive link instead.
Add a comment. Active Oldest Votes. Yes, they are different Improve this answer. Paul Dixon Paul Dixon k 49 49 gold badges silver badges bronze badges. I believe that most browsers will, if you invalidly specify multiple elements with the same ID, apply a rule with an ID selector to all of those elements. Rex M - It is useful though that given a single element it cannot have more than one id whether it's unique or not. I tried this under Firefox and elements with two ids are ignored.
Elements can however have multiple classes. Is div. The Selectutorial link is bad : — Zeek2. Show 1 more comment. Bobby -- so what do you call it when you give an element an id -- 'id-ing' it? I agree with Bobby - elements can have a name as well as an id. What do you call such elements? For example, if both of the following statements:.
Jans Carton Jans Carton 3 3 bronze badges. A couple of quick extensions on what has already been said Peter Boughton Peter Boughton k 30 30 gold badges silver badges bronze badges. Both are selector used for our testing purpose. What is the different between. The default user unit is px. Thus, a length of "5px" is the same as a length of "5".
Here it is:.
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