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Creating submenu rollovers

From: CSS: Styling Navigation

Video: Creating submenu rollovers

Our submenus are looking the way that we want them to, but we still need to address their rollover behavior. So I have the dropdown.htm file open from the 05_04 directory, and the first thing I wanted to take a look at was the existing style for our rollovers so that we could kind of see what it is that we will need to overwrite for our submenu. So I'm looking at the li a:hover selected here on line 68 or so. So we've got it setting the background of that darker brown color. We are giving it a height of 2 ems, but we are also adding 0.3 ems padding to the top for the rounded corners.

Creating submenu rollovers

Our submenus are looking the way that we want them to, but we still need to address their rollover behavior. So I have the dropdown.htm file open from the 05_04 directory, and the first thing I wanted to take a look at was the existing style for our rollovers so that we could kind of see what it is that we will need to overwrite for our submenu. So I'm looking at the li a:hover selected here on line 68 or so. So we've got it setting the background of that darker brown color. We are giving it a height of 2 ems, but we are also adding 0.3 ems padding to the top for the rounded corners.

We are positioning it with relative positioning so that we can move it up by .3 ems, which is what the top value there is doing, and then we are applying a border radius of 0.3 ems for the two top corners. And all those were combining to form that sort of tab look and feel to them, well, that's great, but for submenus, it's not what we want, number one it's going to cause a submenu's items to change size when you rollover and which is going to disrupt the entire submenu, and of course we don't really need that tab structure.

So we need to be able to overwrite that. I am going to scroll down into my dropdown menu styles, and at the very bottom, I am just going to create a new rule, and this is going to be ul.submenu li a:hover. So again, we are targeting when any link is hovered over that's inside one of the submenu list items. Now inside that, I am just going to start overwriting some of those properties that we were just talking about. First thing I want to do is change the background color from that darker brown, because in our submenus, remember that's the foreground color.

So we want it to stand out, and we will just use that orange color that we already have on the nav bar, it will give a nice contrast between the brown, and it will keep the color scheme consistent. So that's going be #D5973C, and then we are going to set the height to 2 ems, which will make sure they are all the same height as the links when they are not being rolled over. We are going to set the padding-top to 0.2 ems, if you remember the top one had expanded that padding to allow for the tab up top.

I am going to set the top value to 0. Now, here is the reason I am doing that. I don't really necessarily need to change the positioning value because being relatively positioned, they are still within a normal document flow, so it's not like absolute positioning where it removes them. What I do need to do, though, is keep the positioning from off setting it up that -0.3 ems, which is what's happening above that. So I am just taking that top value, and I am overwriting that with 0 which is going to hold it in place. We need to get rid of that border-radius, so I am going to use border-radius of 0, and I can just use shorthand notation there and make it 0 all the way across, and that's going to take care of those curved borders on the top right and the top left corners.

So let's see how that works. I am going to go ahead and save the file. I will preview this in one of my browsers, and if I scroll down now and hover over the submenu items, that's exactly what I'm looking for. You can see the items are no longer shifting due to the change in height, we don't have that brown color, that's the same so we can actually tell when we are rolling everything now, and we don't have any rounded corner, so we are not getting that tab look. Our submenu is looking exactly the way we want it to, which is perfect. Now we just need to move on to talking about controlling the positioning of the submenus and controlling when it should and should not display.

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This video is part of

Image for CSS: Styling Navigation
CSS: Styling Navigation

53 video lessons · 16763 viewers

James Williamson
Author

 
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  1. 3m 8s
    1. Welcome
      42s
    2. What you should know before watching this course
      1m 12s
    3. Using the exercise files
      1m 14s
  2. 35m 25s
    1. Organizing menus with lists
      4m 26s
    2. Ensuring accessibility
      9m 3s
    3. Using the nav element
      7m 30s
    4. Creating block-level links
      3m 8s
    5. Lab: Structuring navigation
      4m 11s
    6. Solution: Structuring navigation
      7m 7s
  3. 48m 42s
    1. Exploring link style considerations
      9m 2s
    2. Using global link styles
      9m 56s
    3. Styling link states
      10m 57s
    4. Indicating external links
      10m 4s
    5. Styling image links
      8m 43s
  4. 52m 5s
    1. Stripping default list styling
      4m 34s
    2. Defining link dimensions
      6m 0s
    3. Setting link styling
      3m 36s
    4. Aligning links vertically
      4m 11s
    5. Controlling link spacing
      2m 30s
    6. Styling menus with borders
      2m 32s
    7. Creating rollovers
      4m 45s
    8. Restricting link styling
      3m 31s
    9. Lab: Creating a vertical menu
      11m 44s
    10. Solution: Creating a vertical menu
      8m 42s
  5. 54m 58s
    1. Stripping list styling
      3m 35s
    2. Displaying links horizontally
      6m 14s
    3. Clearing floats
      6m 12s
    4. Controlling link sizing and spacing
      3m 11s
    5. Styling links
      7m 16s
    6. Creating rollovers
      5m 52s
    7. Indicating current pages
      4m 43s
    8. Controlling cursor states
      2m 46s
    9. Lab: Creating horizontal menus
      6m 45s
    10. Solution: Creating horizontal menus
      8m 24s
  6. 55m 35s
    1. Overview of dropdown menus
      1m 17s
    2. Structuring submenus
      5m 56s
    3. Styling submenus
      6m 4s
    4. Creating submenu rollovers
      3m 28s
    5. Positioning submenus
      5m 43s
    6. Controlling submenu display
      5m 5s
    7. Creating persistent hover states
      5m 53s
    8. Animating menus with CSS transitions
      6m 29s
    9. Lab: Dropdown menus
      6m 51s
    10. Solution: Dropdown menus
      8m 49s
  7. 58m 7s
    1. Creating CSS-only buttons
      8m 39s
    2. Creating special effects for buttons
      4m 2s
    3. Enhancing buttons with gradients
      7m 40s
    4. Overview of CSS sprites
      3m 30s
    5. Using CSS sprites for icons
      14m 30s
    6. Styling block-level links
      8m 38s
    7. Lab: Enhancing navigation with CSS
      5m 26s
    8. Solution: Enhancing navigation with CSS
      5m 42s
  8. 6m 29s
    1. Additional resources
      6m 29s

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