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Webmaster Forum / HTML, CSS, Scripts / CSS / April 2008Is there any way to define style rule which will work for Opera but not for Firefox ?
I have an application which has to be rendered correctly in Firefox and Internet Explorer. In order to distinguish css rules for these browsers I use following approach: *width:16px; //works for IE only, not work in Firefox. Now I want to add Opera support. I found a hack how to add styles for Opera that are not visible for IE: w\idth:16px; //works for Opera, not work in IE. But this style rule is also visible for Firefox :( Is there any way to define style rule which will work for Opera but not for Firefox ? Thanks, Mykola http://marss.co.ua > I have an application which has to be rendered correctly in Firefox > and Internet Explorer. In order to distinguish css rules for these [quoted text clipped - 10 lines] > Is there any way to define style rule which will work for Opera but > not for Firefox ? Is this purely theoretical, or are you trying to solve a specific problem? Targeting browsers is a tedious and unreliable practise, so when and where you can I'd highly recommend finding a way for valid, normal CSS being correct for all browsers. I usually adhere to that, save for occasionally a very few MSIE<7 rules in MSIE conditionals. I've never encountered the need to distinguish between Opera & FF (or FF & Safari or Opera & Safari for that matter).  SignatureRik Wasmus > Is this purely theoretical, or are you trying to solve a specific problem? > Targeting browsers is a tedious and unreliable practise, so when and where [quoted text clipped - 3 lines] > need to distinguish between Opera & FF (or FF & Safari or Opera & Safari > for that matter). It is the real project with the large stylesheet. I agree that the difference between Opera and Firefox is not too large, however it exist. Without specific adjusting for Opera it creates an impression of slipshod work :( Mykola http://marss.co.ua >> Is this purely theoretical, or are you trying to solve a specific problem? >> Targeting browsers is a tedious and unreliable practise, so when and where [quoted text clipped - 8 lines] > large, however it exist. Without specific adjusting for Opera it > creates an impression of slipshod work :( Writing separate code for each browser gives me the same impression, more quickly. SignatureJohn Trollin', trollin', trollin', keep those GGers trollin'... The UIP: http://improve-usenet.org/ >> It is the real project with the large stylesheet. >> I agree that the difference between Opera and Firefox is not too [quoted text clipped - 3 lines] > Writing separate code for each browser gives me the same impression, > more quickly. Ah, but job security! ;-) SignatureTake care, Jonathan ------------------- LITTLE WORKS STUDIO http://www.LittleWorksStudio.com > I have an application which has to be rendered correctly in Firefox > and Internet Explorer. (and you are worried about Opera's 1% market?) > In order to distinguish css rules for these browsers I use following > approach: [quoted text clipped - 8 lines] > But this style rule is also visible for Firefox :( Is there any way > to define style rule which will work for Opera but not for Firefox ? Do you have those: //works for IE only, not work in Firefox. lines in your stylesheet, or did you just type them that way in your post? If they are in the stylesheet, they are incorrectly formatted comments. CSS comments are: /* works for IE only, not work in Firefox. */ Note trailing */ Further, pixel perfect layouts are doomed to failure, especially cross-browser, and even in different versions of the same browser. Learn to be liquid. Signature-bts -Friends don't let friends drive Vista On Apr 30, 3:42 pm, "Beauregard T. Shagnasty" <a.nony.m...@example.invalid> wrote: > > I have an application which has to be rendered correctly in Firefox > > and Internet Explorer. > > (and you are worried about Opera's 1% market?) For exUSSR Opera share is a little more. I do not worry about Opera prospect, I worry about the task I 've got :) > Do you have those: //works for IE only, not work in Firefox. > lines in your stylesheet, or did you just type them that way in your [quoted text clipped - 3 lines] > CSS comments are: /* works for IE only, not work in Firefox. */ > Note trailing */ It is just the typo. Mykola http://marss.co.ua > On Apr 30, 3:42 pm, "Beauregard T. Shagnasty" > <a.nony.m...@example.invalid> wrote: [quoted text clipped - 15 lines] > > It is just the typo. Actually, you trimmed BTS's main point that apparently you missed. <restored BTS quote> Further, pixel perfect layouts are doomed to failure, especially cross-browser, and even in different versions of the same browser. Learn to be liquid. </restored BTS quote> No only cannot your not really control what browser your visitor will or could use (although you can block them--bad idea) but you have not control of fonts, resolutions, OSs, User Settings... *pixel perfect layouts are doomed to failure* SignatureTake care, Jonathan ------------------- LITTLE WORKS STUDIO http://www.LittleWorksStudio.com > (and you are worried about Opera's 1% market?) It's a well-known fact that the wealthier you are, the more likely you are to use Opera. It's not known which is cause and which is effect. SignatureSteve (Opera Lover) Swift http://www.swiftys.org.uk/swifty.html http://www.ringers.org.uk > It's a well-known fact that the wealthier you are, the more likely you > are to use Opera. It's not known which is cause and which is effect. Maybe, but it is not that case :) I am not sure that users in ex-USSR are wealthier than the ones in UK or USA. There has to be another reason. I think it was caused the fact that up to 2000 Opera was trialware and had to be purchased after the trial period ended. This did not embarrass users in Ukraine or Russia where cracked software was widely spreaded but it could prevent forming of the Opera fans community in more law-abiding countries when Opera was on the rise. I am not fan of Opera but I have a few friends and acquaintances that very like it. Mykola http://marss.co.ua > (and you are worried about Opera's 1% market?) Porsche's market might be even less than 1% but many a company will sure like to make business with Porsche owners. SignatureIn memoriam Alan J. Flavell http://groups.google.com/groups/search?q=author:Alan.J.Flavell >> (and you are worried about Opera's 1% market?) > > Porsche's market might be even less than 1% but many a company > will sure like to make business with Porsche owners. Yes, I know that - yours and Steve's comments - and perhaps I expressed the point badly. It was related only to a miniscule bit of pixels, which my further comments addressed. "Pixel perfect layouts are doomed to failure." Since I use Opera about 75% of the time, I must be wealthy! ;-) Signature-bts -Friends don't let friends drive Windows > Is there any way to define style rule which will work for Opera but > not for Firefox ? You may be trying to fix the wrong problem. Post a URL, then maybe we'll see a better way to accomplish whatever your goal is. SignatureBerg > You may be trying to fix the wrong problem. Post a URL, then maybe we'll > see a better way to accomplish whatever your goal is. > > -- > Berg Thank you for suggestion but I can't do this. The site requires registration and it is not available for public now. Besides, I do not want to make somebody do my own work. It seemed to me that the simpliest way to accomplish my task was to write additional condition for Opera. Of course, I can remake HTML, but it is more laborious solution (the project is rather large and the place where I have to amend is more than one). So, before doing this I would like to know: "Is there any way to define style rule which will work for Opera but not for Firefox?" Of course, I prefer answer "Yes" with explanation :), but answer "No" will be also good - at least I will know that my idea is wrong and I have to try something else. Mykola http://marss.co.ua |
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