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Placing a banner and a contact button

From: XHTML and HTML Essential Training

Video: Placing a banner and a contact button

Continuing with the development of our example website, in this lesson we are going to insert the header and the contact button. So looking at the browser here, basically what we are going to do is the top half of this table cell here with the Contact button in it. That's what's called a Mail To link. So when you click on this, it would open your mail client and allow you to send an email message. It's a simplest form of a contact button. So let's get started. We have here beginning.html and our beginning.css and this is in the 03-Contact folder of the Chapter 09 Exercise Files.

Placing a banner and a contact button

Continuing with the development of our example website, in this lesson we are going to insert the header and the contact button. So looking at the browser here, basically what we are going to do is the top half of this table cell here with the Contact button in it. That's what's called a Mail To link. So when you click on this, it would open your mail client and allow you to send an email message. It's a simplest form of a contact button. So let's get started. We have here beginning.html and our beginning.css and this is in the 03-Contact folder of the Chapter 09 Exercise Files.

The first thing we are going to do is we are going to Save As. We'll save as heading.html. This way we don't overwrite our Exercise Files and do the same thing with the CSS. Save that as main.css, because that's the name that gets used here in the XHTML. Now we'll go ahead and enter some content in here. We are going to create the outer table and we are going to create the table cell for the Contact button.

So this table tag has an id attribute and that creates a CSS id selector. I'd like to close my containers when I start them. So this row has one cell in it. So I've opened it and closed it and you'll notice that for my selectors, I'm using what's called camelCase. And this is actually a very good choice for CSS, because CSS doesn't allow dashes and I happen to be one of those people that dislikes typing underscores. I do it when I have to and I have too often, because other people use them. So I like camelCase for CSS and it allows me to have several words as very nice descriptive selectors and so camelCase usually uses a lowercase to begin and it uses uppercase letters at the beginnings of second and subsequent words.

So I have outerTable, I have contactButton and this is what's called camelCase. Go ahead and create a div. We'll talk about all this organization in a moment here and the anchor tag. Ending my anchor tag on the second line and that allows me to put it right up against the image and we talked about that in our chapter on images. You'll notice I inserted width and height attributes for the image and I have those numbers already, because all these assets were given to me. So I have those in my notes.

It's a really good idea to always include the width and height, if you can. That allows the browser to layout the page before it downloads the assets from the server so that the page loads without blinking and moving things around as it goes along. It's just a nicety and I closed the image on the next line and closed the anchor right after, so there is no space between the image tag and the anchor either at the beginning or the end. Now as we create our CSS, you'll see that I'm able to select this div specifically without it having a name, and I'll show you how we do that in the CSS.

Let's go ahead and enter some more CSS here. So again it's a section for the Contact button and I have got another section before that for the outerTable. So first the outerTable. It sets the selector for the outerTable and it has a margin 0, auto. Again, we have two values. The first value is top and bottom and the second value is the right and left.

Selecting auto for right and left that centers the table on the page and so this is what creates this effect here with it being right up against the top, but centered horizontally on the page and that's from having margins 0 and auto like that. 770 pixels wide, which is the width of all those images that are used to create the look. And this creates the image at the top of the page, so let's save this and take a look at the page over here. This image up here is actually the background image for that header table cell and this fff is the background color for the whole rest of that outerTable.

So you see that all of this white here is as a result of that. Now let's go ahead and enter the contactButton. There is our contact button selector, which we typed in the XHTML so that height is actually half the height of the image. That image with the head of the table there is 110 pixels high and so 55 is half of that, because the top half of it is what we are using for that contactButton. The bottom half we'll do in our next lesson for the menu there.

This is how we select that div. Remember we put a div in the HTML here that's inside of the contactButton, the selector of having the contactButton id selector followed by the div tag selector. That means that this is any div inside of that id selector. So any divs inside of this, which is here and here, which is this and this, will be selected by that combination selector.

It's a hierarchical selector where we have the contactButton and then div. So that's any div inside of the context of that contactButton selector. 30 pixels is the height of that image. This is a margin that basically says no margin, top, right, bottom, and 650 pixels to left so that will move it in. 650 pixels and it will be against the top of the table cell, because we have our default set to vertical align top over here. padding=0 and then finally, the contactButton image itself.

So again this is a hierarchical selector that selects any image inside of that contactButton context, which is just the one image. We'll set its margins to 0 and its border to none, so it won't get highlighted by the anchor tag around it. So that is our CSS, we'll go ahead and load it in the browser and see what it looks like. So we'll drag heading.html into the browser and you'll see that top half of the image is visible because that's the only table cell that we have defined and there is our contactButton.

So by having our table cell just be 55 pixels high, we are only seeing the top half of the image there in the browser. If we were to just make this 110 pixels, we'd see the whole header image. See there it is. But we need to make it just half as high so we can make the next table cell for the other half for the menu. Save that, and there we are done. That is our Contact button. In the next lesson, we'll do the main menu.

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This video is part of

Image for XHTML and HTML Essential Training
XHTML and HTML Essential Training

59 video lessons · 80295 viewers

Bill Weinman
Author

 
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  1. 5m 10s
    1. Welcome
      1m 16s
    2. Using the exercise files
      1m 23s
    3. Choosing a text editor
      2m 31s
  2. 15m 46s
    1. Introducing HTML and XHTML
      2m 53s
    2. Understanding versions of HTML and XHTML
      2m 25s
    3. Exploring a simple XHTML page
      4m 47s
    4. Understanding the structure of an XHTML document
      2m 58s
    5. Understanding document containers
      54s
    6. Creating and using templates
      1m 49s
  3. 42m 4s
    1. Understanding how empty space is formatted in XHTML
      2m 42s
    2. Using paragraph tags
      2m 42s
    3. Aligning paragraphs
      2m 49s
    4. Understanding block-level and inline tags
      1m 24s
    5. Controlling line breaks and spaces
      5m 43s
    6. Formatting text with phrase element tags
      3m 28s
    7. Formatting text with font markup elements
      3m 24s
    8. Adding document structure with headings
      3m 25s
    9. Formatting quotations and quote marks
      2m 19s
    10. Preserving pre-formatted text
      1m 30s
    11. Selecting a typeface
      4m 33s
    12. Selecting a type size
      2m 11s
    13. Using ordered and unordered lists
      5m 54s
  4. 7m 48s
    1. Using inline images
      3m 17s
    2. Flowing text around an image
      2m 4s
    3. Breaking lines around an image
      2m 27s
  5. 22m 34s
    1. Working with hyperlinks
      7m 46s
    2. Using relative URLs
      3m 5s
    3. Specifying a base URL
      2m 4s
    4. Linking within a page using fragments
      4m 28s
    5. Creating image links
      5m 11s
  6. 22m 56s
    1. Introducing tables
      4m 37s
    2. Formatting tables with CSS
      8m 50s
    3. Aligning images with tables
      5m 7s
    4. Reviewing an alternative solution using CSS
      4m 22s
  7. 14m 31s
    1. Introducing frames
      7m 56s
    2. Hiding frame borders
      3m 15s
    3. Creating inline frames using iFrame
      3m 20s
  8. 20m 50s
    1. Introducing forms: part 1
      10m 37s
    2. Introducing forms: part 2
      7m 45s
    3. Using CGI with forms
      2m 28s
  9. 25m 42s
    1. Introducing CSS
      3m 11s
    2. Understanding levels of inheritance
      6m 10s
    3. Learning CSS syntax
      11m 23s
    4. Using units of measure in CSS
      4m 58s
  10. 1h 45m
    1. Comparing table layout and CSS layout
      1m 25s
    2. Exploring the finished web site
      2m 37s
    3. Building a document header
      8m 18s
    4. Placing a banner and a contact button
      8m 13s
    5. Laying out a main menu
      6m 55s
    6. Creating a layout template: main body area
      13m 31s
    7. Creating a layout template: sidebar area
      5m 17s
    8. Creating a layout template: footer content
      4m 46s
    9. Building a main home page: main body content
      11m 24s
    10. Building a main home page: sidebar content
      8m 52s
    11. Creating a page with a menu, graphics, and formatted links
      13m 26s
    12. Creating a page containing an ordered list
      6m 44s
    13. Creating a page containing video
      10m 45s
    14. Touring the finished site
      3m 45s
  11. 53s
    1. Goodbye
      53s

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