Custom CSS Best Practice?

I am upgrading a company theme (created in 3.2) to 4.2, so porting old tables, tr, td, custom css etc. into the section and div elements of a copy of Theme 25 of 4.2.
I have a master theme application and am subscribing to it from each application, and have a custom CSS file (in Shared Components whilst developing then will become external in production for performance reasons) referenced in the page templates.
My question is, taking the form region as an example, in Theme 25 at the top of the form region definition you have:
<section class="uRegion #REGION_CSS_CLASSES# clearfix" id="#REGION_STATIC_ID#" #REGION_ATTRIBUTES#>I want to customise the uRegion CSS, so what is the best practice - put a new uRegion definition in the custom CSS file with the new CSS in it, to override the standard uRegion, or change the form template to:
<section class="ABCuRegion #REGION_CSS_CLASSES# clearfix" id="#REGION_STATIC_ID#" #REGION_ATTRIBUTES#>and put a new definition for ABCuRegion in the custom CSS file? Both work but I wonder what is best. By referencing the company name ABC in the template it is obvious that this has been overridden, but by just overriding the standard uRegion and leaving the template as-is, is that better for forward compatibility? I have also read that some people create a new directory on the server, copy a standard theme into it and change the standard css files after that.
regards,
Malcolm.

MalcA wrote:
I am upgrading a company theme (created in 3.2) to 4.2, so porting old tables, tr, td, custom css etc. into the section and div elements of a copy of Theme 25 of 4.2.
I have also read that some people create a new directory on the server, copy a standard theme into it and change the standard css files after that use the copy as the base for a custom theme.That's the recommended approach if you're really creating a custom theme rather than just tweaking things here and there. It follows the principle of separation of concerns in that by retaining the standard <tt>uRegion</tt> class you can change the appearance of the application simply by switching the referenced CSS, rather than having to change template, HTML, and CSS.
It's also more efficient than having the browser parse and apply multiple levels of override rules, and more likely to allow designers and developers to remain sane as they have fewer strange cascade and specificity bugs to deal with.
Best practice for serious customization is to leave <tt>/apex/images/...</tt> untouched and create your own CSS/images/JS folder structure elsewhere on the web server. This makes it easier to apply APEX patches and upgrades, and to manage your custom resources.

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created by Ryan Wheler on Nov 2, 2012 8:44 AM, last modified by Greg Stotler on Sep 19, 2013 2:00 PM
Version 2
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Regards,
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Regards,
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Edited by: Bruno Garcia on May 12, 2011 12:15 PM

CSS Best Practice

On the following page, I'm wanting to move the image with the
phone number
up to the top right. What is the best way to do that? Should
I style the
image with a class or try to put the image in a separate div
and move it up?
I know there are multiple ways to do things, but what is
recommended in this
situation?
http://www.presentationsdirect.com/2007/test.asp
Brandon
==================
Presentations Direct - Binding Machines, Laminators and Paper
Shredders
http://www.presentationsdirect.com
==================

Is there a way to move the phone number up to the right
without making the
logo a background image?
Brandon
==================
Presentations Direct - Binding Machines, Laminators and Paper
Shredders
http://www.presentationsdirect.com
==================
"Kim" <[email protected]> wrote in message
news:eqg6ag$e7h$[email protected]..
>I think I would simplify the whole thing a bit...
>
> <div id="header"><a href="#"><img
src="your_img.gif /><a/></div>
>
> and the css would look something like this
>
> #header {background:url(your_img.gif.gif) no-repeat
right
> top;text-align:left}
>
> and then add the link to your logo
>
> (You'll probably need this rule then... #header img
{border:none})
>
>
> Brandon skrev:
>> On the following page, I'm wanting to move the image
with the phone
>> number up to the top right. What is the best way to
do that? Should I
>> style the image with a class or try to put the image
in a separate div
>> and move it up? I know there are multiple ways to do
things, but what is
>> recommended in this situation?
>>
>>
http://www.presentationsdirect.com/2007/test.asp
>>
>
> --
> Kim
> ---------------------------
>
http://www.geekministry.com

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