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Styling container elements: Solution

From: CSS: Core Concepts

Video: Styling container elements: Solution

Welcome back to the styling container element's lab. This is the solution movie and here I want to compare your solutions with mine and along the way we can discuss the thought processes that went into the element formatting. Here I have the main.css file and the index.htm file just in case we need to reference that, open from the Finished files folder in the 05_13 directory. So the first goal that we had was setting a height on the header in the layout style.

Styling container elements: Solution

Welcome back to the styling container element's lab. This is the solution movie and here I want to compare your solutions with mine and along the way we can discuss the thought processes that went into the element formatting. Here I have the main.css file and the index.htm file just in case we need to reference that, open from the Finished files folder in the 05_13 directory. So the first goal that we had was setting a height on the header in the layout style.

So I am just going to scroll down to around line 152 or so, there we go and notice that we have our basic layout styles grouped together, this is to keep the layout style separate from the remainder of the formatting. Makes it really easy if we need to tweak or modify a layout without having to hunt and peck layout styles all throughout our code. So here we just did a very simple header height of 165. Now if I go down a little bit further into this Content region style, I can see I have another header selector here, nothing wrong with that, because you will notice I'm not doing anything with height here and to set the background color that we wanted, you can see that I am going ahead and use the background shorthand notation and I chose to use the RGB value, if you chose to use hexadecimal value that's absolutely fine, there's nothing wrong with that whatsoever.

Going back up just a little bit, we can find the pageFooter selector that I was referencing and here I went ahead and added a height rule of 150px to that, that's going to make sure our pageFooter has enough height to display its content. It also needed a background color and just like I did with a header, I've separated those styles, so I am going to scroll all the way down to about line 672 or so. Yep, there we go. And here again, we see the background- shorthand notation that I used, and I used an RGB color for that.

Now the next thing we needed to style were the banner style. So I am going to scroll up to about line 271, and here are our banner selectors. Now, we had a couple of them that we needed to modify. This is just the banner class selector which is telling the banner region, and then we have the banner space h1 descendent selector that's targeting the h1 inside of the banner as well. So here we have the height of 350px, padding-left, left padding of 50px. Now that's going to move the content inside of that banner region 50px over to the right, and we also have our background image.

Again, I am using the background shorthand notation here, I am going out and grabbing the gallery_banner.jpeg and I'm also telling it no-repeat. Now, its height is 350px as well. So no-repeat really isn't necessary here, because I am not ever going to see it repeat, but just in case it's not a bad idea to go ahead and throw it on there, every single time you are doing a background image and you don't want it to repeat. Now if I scroll down into the banner h1, the heading 1 is the text that's sort of overlaying that banner graphic. You'll notice that what I did to push that text down, was I gave it a padding-top of 290px, so that's basically just going to give it a lot of padding up top, push the text all the way down as far as I wanted to, and it's going to overlay the image that's in the banner region.

So the banner height of 350px is allowing us to see the graphic and the padding top to the banner h1. Now, these aren't cumulative, because the background is not being applied to the h1. If I go over to the index and scroll down to find the banner, you will notice it's being applied to a div. So the padding is being applied to the h1, the height is being applied to the div, the two mix together give us exactly what we want. If I scroll down a little bit further to around line 318, I find the article h2 selector and if you remember for what we wanted to do there, was the border-bottom, so I have applied a bottom border to this, 2px, solid, and I used the color from the color palette above that.

Again, I used the RGB colors there. So that gives that the bottom border that we were wanting there, and notice that I am using the shorthand notation for that, but I am using the side specific shorthand notation. So here I am doing border-bottom for that. The really sort of big objective was those two new sections and I want to show you kind of how I tackled those. I am going to scroll down a little bit to line 336. So I had one of the selectors sort of already in there, so that should have given you a little bit of an idea to where to place these. I have got three selectors in total that are doing all the things I needed it to do.

Now if yours don't look exactly like mine, that's fine, because again, I was extremely vague, as to how you were supposed to do these. I really wanted you to apply a lot of creative thought into how to solve these problems. Okay, so let's talk about what all the styling is doing sort of one by one. Now the news class selector itself is going to be styling the individual sections. So each of those section tags is been installed by this. First we are giving it that sort of tan background color. They are been floated to the left and that was sort of already there for you, but what that is going to do is it's going to cause both of those section tags to appear right beside each other and I applied a margin right to push them away from each other.

So if that wasn't there, they would be budding right up against each other. I mentioned that I wanted them at 50 pixels apart from each other, so I applied a margin right to do that. Now I give them a width of 360px. Because I requested a total width of 400 right? Well, I'm also doing padding. I also requested that you have enough padding in there to push the text away from the edge of the containers, so I have 20px of padding, that's 20px on each side, so it's 40 pixels total of padding. 40+360 gives me my 400px of total width.

I am removing the border, so I am just using border shorthand notation, and I am saying none, so any legacy styling from other elements I am going ahead and stripping that out. I did a border radius, and the syntax I use for border radius, remember, we wanted to do top, left, and bottom, right. So I went ahead and used the four value shorthand notation. I probably could have got a way with using the three and I am doing 15px for top left, 15px for bottom right. I also wanted the font-size to be 90% of the text of the rest of the page. One of the easiest ways to that is just use a font-size value that uses a percentage that is going to shrink the text down compared to the rest of the page.

This was almost enough, but there was a little bit of a problem here. When I applied a margin right to our sections, the left one got a margin run of 50 and the right one got a margin run of 50 and that's going to cause the total width of both of them to be wider than the 800px that I had for the region itself. So what I had to do was I created this selector, and remember this is basically an adjacent selector that says, hey, when you find one of these elements directly following another one, apply no margin right to that.

So that essentially strips the right margin from the second one and allows both of those to sit on the same line. Finally, the last thing that I did was I went in, I targeted the h2 and striped out the margin top that was being applied by a different rule. So if I go in and preview that, I can see as I scroll down, I am getting the rounded corners where I want them, they are aligning themselves to each other just fine. I get 50px of space in between them, I get my 20px of padding on either side. I don't have a border on top of this, and I don't have a lot of extra margin up on top of this heading, so that looks exactly the way I wanted to.

My footer is the height and the color that I needed, my header is the height and the color I needed, the banner is displaying the background image the way it is supposed to, and this text is being pushed down by 290px based upon its padding, which is positioning it on my banner exactly where I want. Now I know this new section down here was probably a little more complicated than some of the other elements you've worked with, so your styles might not look exact like mine, and that's fine. But I've got to be honest with you. Overall, those two sections are quite typical of the element regions that are going to be styling when you're defining page regions.

Now keep in mind when styling those regions that padding borders width and even occasionally margins are used to determine the total width of an element and how much space it takes up in the layout. So it's obviously very important to understand these properties and how they relate to each other when you're styling your page regions.

Show transcript

This video is part of

Image for CSS: Core Concepts
CSS: Core Concepts

81 video lessons · 39956 viewers

James Williamson
Author

 
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  1. 4m 57s
    1. Welcome
      55s
    2. Using the exercise files
      4m 2s
  2. 1h 7m
    1. Exploring default styling
      4m 56s
    2. CSS authoring tools
      2m 29s
    3. CSS syntax
      4m 45s
    4. Writing a selector
      4m 10s
    5. Setting properties
      8m 40s
    6. Common units of measurement
      7m 47s
    7. Inline styles
      5m 1s
    8. Embedded styles
      5m 19s
    9. Using external style sheets
      10m 34s
    10. Checking for browser support
      8m 48s
    11. Dealing with browser inconsistencies
      5m 30s
  3. 2h 15m
    1. Structuring HTML correctly
      2m 51s
    2. Element selectors
      4m 52s
    3. Class selectors
      6m 4s
    4. ID selectors
      3m 27s
    5. Using classes and IDs
      10m 7s
    6. Element-specific selectors
      4m 35s
    7. The universal selector
      5m 42s
    8. Grouping selectors
      4m 49s
    9. Descendent selectors
      7m 32s
    10. Child selectors
      5m 7s
    11. Adjacent selectors
      5m 30s
    12. Attribute selectors
      12m 43s
    13. Pseudo-class selectors
      3m 54s
    14. Dynamic pseudo-class selectors
      8m 29s
    15. Structural pseudo-class selectors
      6m 45s
    16. Nth-child selectors
      13m 10s
    17. Pseudo-element selectors
      12m 40s
    18. Targeting page content: Lab
      8m 56s
    19. Targeting page content: Solution
      7m 59s
  4. 42m 39s
    1. What happens when styles conflict?
      4m 0s
    2. Understanding the cascade
      5m 47s
    3. Using inheritance
      6m 11s
    4. Selector specificity
      6m 55s
    5. The !important declaration
      4m 5s
    6. Reducing conflicts through planning
      3m 33s
    7. Resolving conflicts: Lab
      6m 45s
    8. Resolving conflicts: Solution
      5m 23s
  5. 1h 47m
    1. Setting a font family
      7m 10s
    2. Using @font-face
      9m 18s
    3. Setting font size
      7m 35s
    4. Font style and font weight
      6m 52s
    5. Transforming text
      3m 58s
    6. Using text variants
      2m 49s
    7. Text decoration options
      4m 26s
    8. Setting text color
      3m 2s
    9. Writing font shorthand notation
      8m 49s
    10. Controlling text alignment
      6m 33s
    11. Letter and word spacing
      9m 11s
    12. Indenting text
      4m 30s
    13. Adjusting paragraph line height
      10m 30s
    14. Controlling the space between elements
      6m 41s
    15. Basic text formatting: Lab
      8m 45s
    16. Basic text formatting: Solution
      7m 14s
  6. 2h 1m
    1. Understanding the box model
      16m 53s
    2. Controlling element spacing
      14m 29s
    3. Controlling interior spacing
      10m 49s
    4. Margin and padding shorthand notation
      6m 27s
    5. Adding borders
      8m 57s
    6. Defining element size
      10m 7s
    7. Creating rounded corners
      6m 58s
    8. Background properties
      2m 51s
    9. Using background images
      5m 10s
    10. Controlling image positioning
      10m 25s
    11. Using multiple backgrounds
      7m 5s
    12. Background shorthand notation
      5m 25s
    13. Styling container elements: Lab
      7m 55s
    14. Styling container elements: Solution
      8m 17s
  7. 47m 51s
    1. Color keyword definitions
      5m 4s
    2. Understanding hexadecimal notation
      6m 5s
    3. Using RGB values
      4m 58s
    4. Using HSL values
      5m 17s
    5. Working with opacity
      2m 23s
    6. Using RGBa and HSLa
      3m 8s
    7. Styling drop shadows
      5m 38s
    8. CSS gradients
      6m 32s
    9. Working with color: Lab
      4m 26s
    10. Working with color: Solution
      4m 20s
  8. 1m 58s
    1. Additional resources
      1m 58s

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