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Crear menus de navegación en CSS usando listas
Para completar este tutorial es recomendable leer antes el Tutorial Básico de CSS ¿Qué son las listas?, ¿Para qué se usan?, ¿Por qué ES MEJOR usarlas en un menú? Estas son preguntas que siempre vienen a la mente al hablar de las listas, sobre todo en la transición hacia el uso de XHTML estándar y el maquetado con CSS. Hablar de listas (<ul> y <ol> ) es hablar de estructura, recordemos que el XHTML es un lenguaje diseñado para estructurar datos, y eso es lo que debemos hacer con el. En HTML tenemos dos clases de listas, las ordenadas y las desordenadas, la unica diferencia es que las ordenadas añaden un número correlativo a cada item de la lista, mientras que las desordenadas no: Las Listas Ordenadas: <ol><li>item</li><li>item</li><li>item</li></ol> Nos da como resultado: item item item Mientras que, las listas desordenadas: <ul> <li>item</li> <li>item</li> <li>item</li></ul> Nos queda: item item item Ahora la gran pregunta, Por qué &%$#$@/ tengo que usar eso para hacer mi menú? En el CSS:
Experimental CSS3 Animations for Image Transitions
Today we want to share some experimental 3D image transitions with you that use CSS3 animations and jQuery. We'll be using CSS3 3D Transforms for Webkit only. View demo Download source Today we want to share some experimental 3D image transitions with you that use CSS3 animations and jQuery. We’ll be using CSS3 3D Transforms for Webkit only. Check out the Photo Transitions at the Safari Technology Demos site, some of which we got inspired by. The images used in the demo are by Joanna Kustra. Please note that the 3D effects will only work in Webkit browsers. How it works Given a set of images, we’ll add the first image to the wrapper with the class te-cover. The main idea is to always show the regarding image using te-cover. Demos Each demo will have a group of possible transitions that can be selected from the dropdown menu above the image. We hope you like our little experiment and find it inspiring and useful!
Workshop / Chrome Experiments
Unfortunately, either your web browser or your graphics card doesn't support WebGL. We recommend you try it again with Google Chrome.
A List Apart: Articles: Drop-Down Menus, Horizontal Style
Anyone who has created drop-down menus will be familiar with the large quantities of scripting such menus typically require. But, using structured HTML and simple CSS, it is possible to create visually appealing drop-downs that are easy to edit and update, and that work across a multitude of browsers, including Internet Explorer. Better still, for code-wary designers, no JavaScript is required! (Actually, a tiny bit of JavaScript is needed, but it’s not what you think.) Here’s a sneak preview of the menu in action. Creating the menu#section1 The first and most important part of creating our menu is the menu structure itself. That’s it: some simple HTML that is both accessible and easy to edit. Visually appealing? If you have previewed the menu above, you’ll see a pretty boring list of items. The first step is to remove the indents and bullets from the unordered list and define the width of our menu items. Next, we need to position our list items. Next step is the sub-menus. Now the fun bit.
CSS3 Lightbox
Today we want to show you how to create a neat lightbox effect using only CSS. The idea is to have some thumbnails that are clickable, and once clicked, the respective large image is shown. Using CSS transitions and animations, we can make the large image appear in a fancy way. View demo Download source With the help of the pseudo-class :target, we will be able to show the lightbox images and navigate through them. The beautiful images are by Joanna Kustra and they are licensed under the Attribution-NonCommercial 3.0 Unported Creative Commons License. Please note that this will only work with browsers that support the :target pseudo class. Let’s do it! The Markup We want to show a set of thumbnails, each one having a title that will appear on hover. The anchor for the thumbnail will point to the element with the id image-1 which is the division with the class lb-overlay. Note that we only use a navigation in the last demo. Let’s beautify this naked markup. The CSS And that’s all the style! Demos
.htaccess Files for the Rest of Us
.htaccess files are used to configure Apache, as well a range of other web servers. Despite the .htaccess file type extension, they are simply text files that can be edited using any text-editor. In this article, we'll review what they are, and how you can use them in your projects. Please note that .htaccess files don't work on Windows-based systems, although they can be edited and uploaded to a compatible web server, and on Linux-based systems they are hidden by default. In order to work with htaccess files locally, to see how they work and generally play around with them, we can use XAMPP (or MAMP) on the Mac - a package that installs and configures Apache, PHP and MySQL. A .htaccess file follows the same format as Apache’s main configuration file: httpd.conf. A setting configured in an .htaccess file will override the same setting in the main configuration file for the directory which contains the file, as well as all of its subdirectories. A rewrite rule can be as simple as this:
Light Weight Multi Level Menu
Horizontal Menu This is a multi level light weight drop down menu example based on the Suckerfish Dropdowns article by Patrick Griffiths and Dan Webb at A List Apart Style Generator I've added a style generator for the menu to the side bar. Just click on a color from the color grid then click the field you wish to apply it to. Once you leave the field (click elsewhere), the style will be applied to the Horizontal menu as a preview. Mark Up The markup used is simply embeded un-ordered lists. <ul id="nav"><li><a href="#" >first Level menu</a><ul><li><a href="#" >second Level menu</a></li><li><a href="#" >second Level menu</a><ul><li><a href="#" >third Level menu</a></li></ul></li></ul></li></ul> Note how the next level menu starts and ends before it's containing li ends. JavaScript This is all the JavaScript required, it's the same for both menus. Files If JavaScript is disabled the menu wont work in any Version of IE but should keep working on all other browsers. Update Browser Support
