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Removing CSS rules that hide elements

From: Create a Sliding Tabbed Panel with jQuery and Dreamweaver

Video: Removing CSS rules that hide elements

So the idea behind progressive enhancement is that we want to make sure that we're not hiding any content with CSS in case the user doesn't have JavaScript enabled. So what will happen is the user won't be able to actually see the content because the JavaScript is not enabled and we can't actually show or hide individual pieces. So the first thing we'll want to do is set the CSS properties in the default state to hide elements we don't want to see and make sure that everything else shows. So over in the CSS Styles panel, let's scroll down until we see .sp .tabs.

Removing CSS rules that hide elements

So the idea behind progressive enhancement is that we want to make sure that we're not hiding any content with CSS in case the user doesn't have JavaScript enabled. So what will happen is the user won't be able to actually see the content because the JavaScript is not enabled and we can't actually show or hide individual pieces. So the first thing we'll want to do is set the CSS properties in the default state to hide elements we don't want to see and make sure that everything else shows. So over in the CSS Styles panel, let's scroll down until we see .sp .tabs.

Let's double-click this rule to edit it. Let's come into the Block properties and let's set the Display of this item to none and then click OK. Next let's scroll down and find the .panel_container .panels. This is where we actually set the absolute position property. Let's delete this, and let's find the next rule .sp panel_container panel. Let's delete that as well. So now in the Design view, if I scroll up and down here, I can see Dreamweaver showing me what the users will see if they don't have JavaScript enabled.

So each of the panels will still be visible. They'll have their background graphics and all of this CSS treatments we gave them, but they won't see is the user experience that lines the panels up in a row, and an animated interactive user experience. So now that we've removed all of the CSS properties that inhibit users from seeing content without JavaScript, in the next movie we'll add the CSS properties back in with JavaScript so that we know they do have JavaScript and then we can invoke our user experience.

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