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Moving the header image

From: WordPress 3: Building Child Themes

Video: Moving the header image

To show you how you can modify a template file to make a change on your site, let's take a look at a practical example. Twenty Twelve has the ability to add a header image at the top of the site. To activate it, you've to go into the Dashboard and under Appearance, you'll find Header. Here you can upload a header image, if you don't have one already, or if you already have one uploaded, you can select it down here under uploaded images. I'm going to select this one that I uploaded previously, and click Save Changes.

Moving the header image

To show you how you can modify a template file to make a change on your site, let's take a look at a practical example. Twenty Twelve has the ability to add a header image at the top of the site. To activate it, you've to go into the Dashboard and under Appearance, you'll find Header. Here you can upload a header image, if you don't have one already, or if you already have one uploaded, you can select it down here under uploaded images. I'm going to select this one that I uploaded previously, and click Save Changes.

Now when I go back to the front page, you'll see we have a header image right here, but the header image appears underneath the main menu and the title of the site. I want the header image to start at the header at the very top. To achieve that, I have to change the header.php file that controls the header, because that's the file that normally controls the header of a WordPress theme. The first thing I'm going to do is go to my Twenty Twelve theme, so the parent theme, and find header.php. I'll copy header.php into my child theme.

So we're now using the child theme version of header.php, instead of the original. And then we can edit header.php in the child theme. I'll open it in my code editor and then I need to find the code that inserts the header image. And I know when you open a WordPress template file for the first time, it can be rather jarring, because it's hard to read. This is HTML and PHP all over the place and there's lots of comments and things going on. But if you just take your time and read what the page says, it's actually quite easy to figure out what's happening here.

If you scroll down, you'll see it says ID masthead, so that's obviously the header. It even says site header here in this class and directly underneath you see a group that has the site-title and site-description, so that's obviously the title and description. Then you have a nav that says site-navigation, so that's obviously the menu, and then below that you have a function that calls get header image. So this is the function that has the header image. So I'm going to copy out that entire function or rather I'll cut it out.

Then I'll paste it in directly above the title and description. I'm going to save the edited header.php file in my child theme, go back and reload the page in my browser, and you'll see that now the header image appears at the top with the title and description underneath and then the menu. This is more the layout I want, but I'm not quite done yet, because now I changed the layout of the page by changing the markup. And you can see that because the styling originally assumed that this header image was on the bottom, there's not enough space here between the header image and the title and description.

So now I have to go on and change my stylesheets to correspond with my new layout in the markup. To do that, I'm going to select the header image and go Inspect element with my browse tools, so that I can see what I'm working with. And here I can see that I don't actually have a specific class or style for the header image. However, the header image has a class called header-image, which means I can now add a new style that addresses header image and give that style a new margin at the bottom.

I'll go to my child theme, open style.css and here I can create a new style, call it header-image. And in this case, I want to give the heard-image a larger margin on the bottom. So I'll say margin-bottom and give it a 24 pixel margin, because I noticed that all these other styles already have a 24 pixel margin. I'll save my new child theme stylesheet, reload my page, and you see that the header image now has more space underneath and the title gets bumped down.

I can take a look at the site step further if I want to, because now I can get rid of the title and description altogether, because I don't need them anymore. I can go in here to Customize, go to Site Title & Tagline and uncheck this Display Header Text. And now you see we only have the header image and then the menu. If I like what I see, click Save & Publish, close it, and now we have changed the look, feel and layout of our theme using only a small change in one template file and by adding a small extra style in our stylesheet.

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This video is part of

Image for WordPress 3: Building Child Themes
WordPress 3: Building Child Themes

45 video lessons · 33003 viewers

Morten Rand-Hendriksen
Author

 
Expand all | Collapse all
  1. 6m 59s
    1. Welcome
      1m 6s
    2. Using the exercise files
      1m 34s
    3. What you need to know before watching this course
      1m 29s
    4. Getting the right tools for theme creation
      2m 50s
  2. 17m 2s
    1. What is a WordPress child theme and when should you use it?
      2m 38s
    2. Picking a parent theme
      3m 55s
    3. Making sure you have the Twenty Twelve parent theme
      1m 50s
    4. Creating and activating a basic child theme
      4m 20s
    5. Importing parent theme styles
      4m 19s
  3. 16m 2s
    1. Using the developer tools
      3m 53s
    2. Modifying existing styles
      4m 24s
    3. Adding space between paragraphs
      4m 7s
    4. Changing font family styles
      3m 38s
  4. 31m 47s
    1. Understanding the WordPress template hierarchy
      3m 12s
    2. Modifying existing templates
      2m 33s
    3. Moving the header image
      4m 29s
    4. Adding Related Posts feature to posts
      6m 26s
    5. Creating custom page templates
      5m 43s
    6. Using conditional statements for customized effects
      5m 41s
    7. Creating custom header, footer, and sidebar templates
      3m 43s
  5. 17m 5s
    1. Understanding the different index pages and what they do
      4m 6s
    2. Adding author, date, and time information to the index loop
      7m 15s
    3. Changing the appearance of category index pages
      5m 44s
  6. 43m 5s
    1. Introducing functions.php
      3m 24s
    2. Overriding existing functions
      3m 23s
    3. Adding pagination to index pages
      5m 49s
    4. Adding to existing functions
      3m 21s
    5. Adding a new footer menu to Twenty Twelve
      6m 24s
    6. Adding a new widgetized area to pages
      4m 9s
    7. Adding static content to the sidebar
      7m 44s
    8. Replacing existing functions
      2m 36s
    9. Adding a Google font through a function
      6m 15s
  7. 10m 24s
    1. Adding new featured image sizes
      5m 41s
    2. Adding featured images to posts and pages
      4m 43s
  8. 31m 1s
    1. Adding a welcome message to the front page
      1m 22s
    2. Displaying page content in an index page
      7m 42s
    3. Hooking in a featured image
      4m 34s
    4. Making the welcome message responsive
      6m 27s
    5. Restricting content to the first page of the blog
      4m 22s
    6. Adding a jQuery function to show or hide the welcome message
      6m 34s
  9. 10m 23s
    1. Adding a custom favicon
      3m 58s
    2. Adding a custom screenshot
      2m 29s
    3. Adding footer information
      3m 56s
  10. 7m 14s
    1. What to do when a child theme crashes your website
      4m 38s
    2. Updating parent and child themes
      2m 36s

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