21 outils et générateurs CSS pour développeurs web. Les générateurs et outils CSS sont de plus en plus nombreux sur la toile, et facilitent la tâche des développeurs web en leur faisant gagner un gain de temps considérable, en particulier ceux qui génèrent du CSS3. Voici une liste non exhaustive de 21 ressources CSS à connaître et à tester dès maintenant ! 1. Bear CSS Bear CSS est un service qui permet de générer une feuille de style à partir d’un code HTML en prenant en compte les éléments et le balisage de la structure du document (id et classes CSS). 2. CSS Type Set est un service qui permet de gérer la mise en forme d’un texte dans une interface simple et intuitive. 3.
Border Radius est un générateur déstiné uniquement à la propriété CSS3 border-radius qui permet de créer des coins arrondis sur un élément HTML. 4. 5. 6. 7. CSS3 Please est probablement l’un des tous meilleurs générateurs CSS3. 8. 9. Les 30 sélecteurs CSS à connaître absolument.
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Boxtuffs - The Box of free psd Stuff and HTML5/CSS3 things. CSS-Tricks. Border-image in Firefox. For the upcoming Firefox 3.1 release a lot of work has been going into improving its CSS support (specifically, in relation to the CSS 3 specification). One areas that have received solid implementations is that of border-image. This is a new CSS 3 module that makes the exact slicing of images (and their positioning around an element) quite easy. The most obvious use case for them exists in constructing beautiful scalable buttons. And there is, perhaps, no better use case than the one provided by the iui library: replicating portions of the iPhone user interface in a pure-CSS manner.
Here are two examples from the iui library (slightly tweaked to support both WebKit’s and Mozilla’s implementations of border-image). You will need a nightly release of Firefox in order to have the following demos work properly. The button on the top right (“Search”) is mostly implemented using the following CSS: With toolButton.png looking like: The premise behind border-image is complex, but easy to learn. Cross-browser text-shadow • CSS & (X)HTML. Cross-browser text-shadow With my discovery of almost cross browser text-shadow something kept nagging me: It didn’t work in Firefox. A couple of days ago I went back to my experiments and succeeded in a reasonable looking text-shadow effect in Firefox. What’s more, In some configurations I can even make it look 3D! Rationale Before we delve into the code I want to give you a little insight into how I came up with this text-shadow implementation. What a text-shadow basically is, is a blurred version of the text placed behind it (with or without a slight offset).
This idea helped me implement text-shadow in IE by using the glow and blur filters it has. For Firefox I had to go one step further. With this knowledge I set out and started experimenting in Firefox. The implementation What it basically entails is: A text, an awful lot of spans, absolute positioning and opacity. View the text-shadow example here. Spans All this markup cruft leads to problems when copying text: lot’s of duplicates. Comprendre les couleurs en CSS3. Chrome, Safari, Opera, Firefox 4, Internet Explorer 9 Le CSS3 inclut maintenant dans la norme, la notion de teinte, de saturation et de luminosité (Hue, Saturation, Luminosity).
Le Hue permet de modifier la teinte donc la couleur, c'est une valeur numérique. Par exemple, 0 (ou 360) représente le rouge, 120 le vert et 240 le bleu ; c'est une mesure sur la roue chromatique. Entre ces 3 valeurs, ce sont les nuances. entre 0 et 119 (nuance de rouge) ; entre 120 et 239 (nuance de vert) ; entre 240 et 359 (nuance de bleu). La saturation est une valeur de pourcentage, 100% équivalent à la couleur. La luminosité est une valeur en pourcentage: 0% est le sombre (noir) ; 50% est la moyenne ; 100% est la lumière (blanc). Exemple : <p class="hsl"> couleurs gérées en hsl </p><p class="hslAutre"> couleurs gérées en hsl </p> Démo C'est la même chose que la couleur hsl, sauf qu'il y a en plus la gestion de l'opacité de la couleur (sa transparence). Démo Le RGB existe depuis un moment dans la norme CSS. Démo Exemple: Position:fixed pour IE 6 - Alsacréations.
Surfin’ Safari - Blog Archive » CSS3 Gradients. Introduction WebKit paved the way for gradients in CSS by adding support for -webkit-gradient back in early 2008, and they’ve become widely used since their introduction. Over the past several months, the CSS Working Group has had extended discussions about making the gradient syntax easier to use, and recently Tab Atkins included a proposal in the latest draft of the Image Values and Replaced Content module. WebKit and Mozilla have now implemented this proposal so that web authors can experiment with it, and provide feedback to the Working Group.
Note that the proposal is still an editor’s draft, which means that it’s still possible, and even likely to change due to user feedback. The main goal of the new syntax is simplicity; it’s now really easy to code up common gradients, as you’ll see in the examples below. A secondary goal was to specify something where implementations were compatible across browsers. Don’t forget that gradients are a type of generated image, not a property.