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Sweet tabbed navigation using CSS3

Although I don't understand why animations have been added in CSS3, this upcoming standard does have a couple of very neat features added to the CSS we're using today. I wanted to take a couple of these new things, and create a Sweet tabbed navigation using CSS3.

Sweet tabbed navigation using CSS3

This tutorial takes on the following CSS(3) properties:

  • rgba
  • opacity
  • text-shadow
  • pseudo selectors
  • rounded corners
  • gradients
  • box-shadow

Demo tabbed navigation using CSS3   Download tabbed navigation using CSS3

As you could expect, this demo only works in browsers that support the new CSS3 features. This code fully works in Safari / Firefox 3.6, but hasn't been tested in other browsers. Now let's see how you can create this kind of sweet menu yourself!

HTML

Before we do anything fancy with CSS, we'll need a decent backbone in the form of HTML. As you can expect, the menu excists from an ul with items (links to pages). We'll also add a main content division, but this tutorial has the focus on the menu.

 
<div id="menu">
   <ul>
      <li><a href="#" title="Home">Home</a></li>
      <li><a href="#" title="Blog" class="active">Blog</a></li>
      <li><a href="#" title="About">About</a></li>
      <li><a href="#" title="Register">Register</a></li>
      <li><a href="#" title="Contact">Contact</a></li>
   </ul>
</div>
<div id="main">
   <h3>Main content header</h3>
   <p>Main content</p>
</div>

Nothing really fancy or hard going on here, so I suggest we take our first steps into the CSS.

Simple CSS

First, we'll need some basic styling to the HTML we just created. We want to display the navigation inline and see no bullets what so ever. This is the code we need:

 
#menu { margin:40px 0 0 150px; }
#menu ul { list-style:none; }
#menu ul li { display:inline; float:left; margin-bottom:20px; }

Our outcome (see below) might look a little bit dull, these are the foundations we're going to work with in order to achieve what we want.

Step 1

RGBA, opacity and Text-shadow

Now, we're going to use some of the CSS3 features to make this simple navigation look beautiful. We'll select the anchor tags within the menu, and apply some styling to it. CSS3 supports RGBA() to select a colour. The fourth parameter sets the opacity of the element. We'll also use text-shadow to give the text an "outer glow" effect.

 
/* background color set to RGBA, with opacity on 0.3 and also using text-shadow */
#menu ul li a { padding:20px; background: rgba(255,138,30,0.3); text-decoration: none; font: bold 14px Helvetica, Sans-Serif; letter-spacing: -1px; color: #402e16;
    text-shadow: #eee 0px 0px 2px; }

We now have already something very fancy looking:

Step 2

Looks pretty nifty already, doesn't it? But we're not done yet - on to the next step!

Pseudo Selectors and Rounded Corners

Now that we have our navigation, we'll take it to the next level. The first anchor tag will have a rounded top-left corner, while the last one will have a rounded top-right corner. This will enhance the effect of tabs a little bit more.

With the use of pseudo selectors, we can easily find the first and last anchor element in the list, without the need of extra classes. Check out the following code:

 
/* :first-child pseudo selector with rounded top left corner */
#menu ul li:first-child a { -moz-border-radius-topleft: 12px; -webkit-border-top-left-radius:12px; }
 
/* :last-child pseudo selector with rounded top right corner */
#menu ul li:last-child a { -moz-border-radius-topright: 12px; -webkit-border-top-right-radius:12px; }

When applied, the menu will look like this:

Step 3

Whoah - looking better every step! But don't stop here, we'll add some more beauty to this menu in the next step.

Gradient and Box-shadow

Now that we have our menu fully complete, we want to place the cherry on the cake by styling the .active and :hover state of the menu. The first one is created to indicate the user is currently viewing that tab (added by the class in the HTML). The second one is the hover state.

The .active state isn't very spectecular: It'll have the same RGBA colour as the normal state, but with less opacity (0.8). The :hover state will be a little bit more complex.

With CSS3, you'll have the ability to create gradients. In this example, I'll go with a simple linear, two coloured gradient, but the possibilities are endless. You can use this great CSS3 gradients tool (just like I did) to help you a little bit out creating the CSS gradients. We'll also add a slight grey shadow on top, to enhance the 3d tab effect.

 
/* hover state shows a linear gradient and opacity it brought down to 0.9 and also shows a very slight grey shadow on top */
#menu ul li a:hover { -moz-box-shadow: 0 -5px 10px #777; -webkit-box-shadow: 0 -5px 10px #777;
   background: -webkit-gradient(
      linear, right bottom, left top, color-stop(0, rgb(237,227,112)), color-stop(0.72, rgb(255,173,10))) !important;
   background: -moz-linear-gradient(
      right bottom, rgb(237,227,112) 0%, rgb(255,173,10) 72%) !important;
   background-color:rgb(255,173,10) !important;
   -moz-opacity:.90; filter:alpha(opacity=90); opacity:.90; }
 
/* another RGBA background, now with an opacity of 0.8 */
#menu ul li a.active { background: rgba(255,138,30,0.8) !important; }

With all that CSS, our menu looks like this (one is active, the other one has the hover effect):

Step 4

How about that for a sweet CSS3 powered menu!

More CSS

Since we finished our CSS3 powered menu, we can style our main part a little bit. I don't need to explain any of the code here, since all effects applied are used in the menu too!

 
/* main contents with RGBA background (same colour as active tab) and three rounded corners */
#main { clear:both; background: rgba(255,138,30,0.8); width:500px; margin-left:150px;
   -moz-border-radius-topright: 12px; -moz-border-radius-bottomright: 12px; -moz-border-radius-bottomleft: 12px;
   -webkit-border-top-right-radius:12px; -webkit-border-bottom-right-radius:12px; -webkit-border-bottom-left-radius:12px;}
   
/* header with a text-shadow */
#main h3 { text-transform:uppercase; padding:20px 0 0 20px; color:#eee; text-shadow: #000 0px 0px 2px; }
#main p { padding-bottom:20px; color:#ddd; }

With that, our final page looks like this:

Step 5

And we're done!

Conclusion and Download

I added a little jQuery script to virtually switch between pages, but of course this needs to be done server-side and show the actual page. I think CSS3 has some very neat features, where some of them are used in a great way in this tutorial. Sadly, since this isn't cross-browser compatible, we'll need to wait for a while before we can use this in the public.

Demo tabbed navigation using CSS3   Download tabbed navigation using CSS3

What do you think? Do you see any room for improvement in this code? Do you like it? Feel free to share your two cents!


Tags:  tabs navigation css3 webdesign css

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