Creating a First Web Site with Dreamweaver CS4
Illustration by John Hersey

Overriding a CSS style


From:

Creating a First Web Site with Dreamweaver CS4

with Paul Trani

Video: Overriding a CSS style

Having a style sheet attached to multiple pages is powerful but that doesn't mean that every page has to look the same. You can add CSS to individual pages that will then override any CSS rules in an attached style sheet. So currently, I have in this site, these multiple pages and from page to page, the layouts are exactly the same, the images are exactly the same. And really I want to add a little more flavor from page to page. In particular, what I want to do is I want to change the background from page to page.

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Watch the Online Video Course Creating a First Web Site with Dreamweaver CS4
2h 41m Beginner Sep 16, 2009

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Creating a First Web Site with Dreamweaver CS4 shows the basics of doing just that—building a first web site. Adobe Certified Instructor Paul Trani walks through the important steps of creating a web site from concept to publishing, using Dreamweaver CS4. He teaches how to create basic web pages, add text and image content, use Cascading Style Sheets for design and layout, create a photo gallery, and even check the final site for browser compatibility. He also demonstrates how to create a contact form to encourage viewer feedback on the site. Exercise files accompany the course.

Topics include:
  • Exploring the Dreamweaver workspace for first-time users
  • Linking to external web pages and sites
  • Improving the presentation of text and images on the site
  • Building a layout using Cascading Style Sheets
  • Making navigation reusable across multiple pages
  • Displaying content using the Accordion widget
  • Creating a contact form and sending data from it
  • Making the final site search engine-friendly
Subject:
Web
Software:
Dreamweaver
Author:
Paul Trani

Overriding a CSS style

Having a style sheet attached to multiple pages is powerful but that doesn't mean that every page has to look the same. You can add CSS to individual pages that will then override any CSS rules in an attached style sheet. So currently, I have in this site, these multiple pages and from page to page, the layouts are exactly the same, the images are exactly the same. And really I want to add a little more flavor from page to page. In particular, what I want to do is I want to change the background from page to page.

For this about page, for instance, I can change the background quite easily by clicking Page Properties. So, in the Appearance (CSS) category, all I need to do is change my background image. So, I'm going to click Browse and I'm going to locate this BkgdAbout.jpg. That's in the images folder. I'm going to click Choose, select OK, sure enough the background changes.

So, if I get to expand this CSS Styles panel a little bit, notice how it's applied this new, sort of local style to this page. In fact, it's a body style and this is the image I just added. So this image actually overrides this image in the body rule established in the janedoe.css.

So, since this is an attached style sheet, it will apply that style but if there is anything local attached solely on this page, this style will take precedence over anything in an attached style sheet. So that's what does the trick. It applies this particular image in the background, and it looks pretty darn and good. In fact, I'll go ahead and save this page and I'll preview it in a browser. Sure enough, there it is, there is the image, and it's looking pretty good.

But still, it keeps the consistency of the rest of the elements. So it's still sort of part of the same site, but looks different enough. So, I would want to do that across the board. So, for the portfolio page, I want to do the same thing. Again it's overriding this background image just by clicking Page Properties and under the Appearance category CSS, I want to change the background image, and in the images folder, there is the BkgdPortfolio. Click Choose, select OK, and again, it does the same thing.

It applies this style, and if I can do one more thing here, I'm going to right-click or Control-click and I'm going to go to Code. By doing that it will go to that CSS style just to show you that it exists on this page. So, this style overrides anything that might be in a style sheet that's attached. Again, I'm going to click on Design view, there is my page. It's looking really good. I'll save this page.

Let me go to the contact page and the same thing here, I'm going to click Page Properties > Appearance (CSS) section > Background image, I'm going to browse to the BkgdContact.jpg. I'll choose that, select OK, puts that image back there, and again it's sort of what you call a local style. And then I'll go ahead and save this page. So, let's check this out in action.

If I go back to the index.html and I preview this in a browser, we can see that here is my home page, I can go to the about page. Again, we are consistent with the design, with the layout. It's just the image in the background that changes. So again, my portfolio page, and then the contact page. Again, I was able to override any sort of attached style sheet rule, and really it gives me the flexibility to add more personality and customization per page while keeping consistent with the entire site.

Find answers to the most frequently asked questions about Creating a First Web Site with Dreamweaver CS4 .


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Q: After creating the website as instructed in the tutorial, and uploading the site to the internet, the website does not seem to work for every browser. How can one make sure that the website will work for all browsers?
A: An important step when creating a website is to check for browser compatibility. To do so in Dreamweaver, go to Window > Results > Browser Compatibility. Click the Play icon in the left corner then go to Settings and target the browsers you¹re after. Then hit the Play button to run it and check the page that’s open. If there’s an issue, best-case scenario, it should show you what the issue is and link out to a solution. Worst case is that it’s a pretty unique issue, in which case further troubleshooting would be needed.

Q: The background image is tiling, instead of being one large image. How is this corrected in Dreamweaver?
A: This can be corrected by using a larger image, something around 1024x768 that will fill up most of the monitor space. The issue is that the background image is just too small. Note that tiling of the background image can be turned off in the CSS Panel, but that would only result in a single small image. So it’s better to just use a larger image for the background.
Q: When trying to import SWF content, I get a message: “This file is outside the root folder of site ‘xxxxx’ and may not be accessible when you publish the site.” What is causing this?
A: Make sure your SWF file (and all files you put on a page) are located in your local site. Basically make sure you set up a local site in the site panel. It will ask where to put your local site on your computer. Just make sure you SWF is in that folder and you won’t get that error.
 
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