Here’s an iframe with a working example that puts everything together. That got out of the way, we are now really done. Somewhere in our styles we have to have the following rules: #fader ) ![]() This little, innocent #fader has to span the whole area of the viewport and must be placed above everything else on the page. We need an element to create the fade effect: Basic idea is to reduce an elements opacity from 1 (meaning fully opaque) to 0 (meaning fully transparent) in order to fade-out the element. Although this works great on the first glance, it can also be the cause of some hard to find bugs with mouse events. Oh, and besides all this psychological mumbo-jumbo, it just looks nice! Some HTML and CSSĮnough talk. The CSS opacity transition is often used to create fade-in and fade-out effects. It is like holding your users’ hand and guiding them calmly from here to there. The content of the two pages still looks completely different but due to the fade the transition comes across as a slow and gentle change. Until the effect of the sudden change dampened off and your body gives the all-clear.Ĭompare this with the soft page transition. If you pay attention to the hard page transition above and are not totally numb you will feel a little irritated for a moment. We can’t control time, it’s sudden, it might require our reflexes. To create a CSS animation fade in, you will need the following CSS properties: opacity - this sets the HTML element’s opacity. Get prepared, now! It doesn’t matter if it’s just a plain, boring page load in a web browser. Where am I? Am I safe? Do I need to react to something? Better get prepared. Now, let’s make this disorientation very sudden. ![]() No constancy means disorientation and this isn’t exactly something we humans like. In short: There isn’t much that anchors the eye of the user and stays constant across a page load. It is caused by very little pattern continuity between the pages: Elements are completely different for the most part and after scrolling the layout is offset, too. ![]() Why care about this?Īlthough everyone is pretty used to hard transitions they are still jarring-if only unconsciously. After the new page has been loaded it is simply slapped over the old one. CSS transitions allows you to change property values smoothly (from one value to another), over a given duration.
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