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Doing it with style

CSS MENUSCSS3 3D unfolding menu

Date : 3rd April 2012

For all modern browsers


Anti VirusSome desciptive text and a link can go here.

PenguinSome desciptive text and a link can go here.

My MacSome desciptive text and a link can go here.

ChatSome desciptive text and a link can go here.

New TuxSome desciptive text and a link can go here.


Now that Firefox supports the 3D transform styles we can use this and a little transition animation to create a dropdown menu with an unfolding sub menu.

This menu has 3D unfolding sub list with animation. Just hover the top level link to see this in Firefox, Safari and Chrome.

If you examine the code you will see that it uses nothing more than a set of nested divs and a simple structure to the stylesheet to give each div a transform origin relative to its parent div. In this way the parent divs controls the position and animation of their children.

Using this method the animation is just a simple style which is actioned on hovering the top level tab:
.concertina:hover div {
-webkit-transform:perspective(350px) rotateX(0deg);
-o-transform:perspective(350px) rotateX(0deg);
transform: perspective(350px) rotateX(0deg);

6th February 2013

Code and stylesheet changed to remove the need for the style preserver-3d so that the menu works in IE10. Also added 'onclick=""' to the page outer div so that it also works on the ipad etc. and finally added alternative fallback styles so that this works as a simple dropdown menu in IE9 and lower and also Opera which does not yet support 3d transforms.

Because of all the time and effort spent in producing this demonstration I would ask that you respect my copyright.

  1. If you are using this on a personal web site then please retain the copyright comment in the stylesheet.
    A support donation is now required for this demonstration.
  2. If you are using this on a commercial web site, or as a paying job for a client, then please email me asking for permission - stu{at} and again a support donation is required.
  3. If you are having problems integrating any of my demonstrations into your website then I now offer a service to fault find and correct any errors that you may have introduced. Please email me for more information.

Terms and Conditions

This demonstration can be used subject to the following terms and conditions.

  1. If you wish to use this demonstration in your website(s) please email me stu{at} seeking permission.
  2. You may NOT place this demonstration on another site for others to download.
  3. You may NOT redistrubute or resell this demonstration.
  4. Users agree not to remove or edit the credit notice within the stylesheet, or claim that this demonstration is their own.
  5. Please see the Copyright statement above regarding the requirement for a support donation.


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