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What happened to @beforehq????
Pseudoclases en CSS: Estilos Dinámicos para Elementos Específicos
Pseudoclases y Selectores: Una Combinación Poderosa Selectores: Son las herramientas que utilizamos en CSS para identificar los elementos HTML a los que queremos aplicar estilos. Pueden ser tan simples como un nombre de etiqueta (p.ej., p) o tan complejos como combinaciones de clases, ID y otros atributos. Pseudoclases: Son palabras clave que se añaden a los selectores para seleccionar…
CSS :before & :after pseudo-elements疑似要素使って3Dボタンを作る
疑似要素使って3Dボタンを作る英語ページを発見! Sergio Camalichのページを拝見して引用させていただきます。 3DボタンSample HTML Code: [html] Numbah one! [/html] CSS Code: [css] #button { width:165px; height:23px; display:block; font-family:Arial, "Helvetica", sans-serif; font-size:12px; font-weight:bold; color:#fff; text-decoration:none; text-transform:uppercase; text-align:center; text-shadow:1px 1px 0px #07526e; padding-top:12px;…
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Les triangles en css et la fin de arrow-right.png
Tout intégrateur web a déjà eu à découper d'une maquette un triangle d'UI puis de l'intégrer. On découperait le triangle et on le mettrait en background-image en jouant sur sa position.
Une solution simple et connue (mais apparemment peu utilisée) sans avoir à découper dans un sprite et de charger une nouvelle image est de créer le triangle en css et d'intégrer le triangle par exemple avec :before en absolute et son parent en relative et positionné le.
Parmi les avantages, on ne retrouve pas de dégradation de taille et donc le support retina. Si on doit changer la taille du triangle on aura juste à changer ses paramètres css et (surtout) c'est supporté sur IE !
J'ai fais un petit exemple rapide : http://codepen.io/pik_at/pen/mfHLv
Il y a des sites qui proposent de générer le triangle en css en définissant ses paramètres comme sa hauteur sa largeur et sa couleur comme :
http://apps.eky.hk/css-triangle-generator
Edit : Sur IE8 le rendu du positionnement du triangle peut être mauvaise en l'utilisant avec :before. Un fix est d'appliquer overflow: visible; à l'élément courant.
Modifier le style des pseudo-éléments à la volée sous IE8
Pour changer le style d'un pseudo-élément à la volée sur les navigateur récents :
div:before { content: ''; backgroubd: #fff; } div.active:before { background-color: #000; }
Pour que le changement soit visible sous IE8, il faut aussi modifier sont attribut content, ce qui donnerait :
div:before { content: ''; backgroubd: #fff; } div.active:before { content: ' '; /* <= Différent du premier content ! */ background-color: #000; }
Sözde sınıflar(:before ve :after) içinde filtre kullanımı
:before ve :after ile oluşturulan içerik içinde ie'de kullanılan filtre çözümleri çalışmıyor. filtre bir elemena veya nesne ye tanımlanabildiği için sözde sınıflarda çalışmıyor.
Kaynka: http://stackoverflow.com/questions/10403916/why-does-a-filter-gradient-on-a-pseudo-element-not-work-in-ie8/10669986#10669986
My adventure's with CSS3
Even though I know a lot about CSS, I've never used CSS3 at all. Except for the odd border-radius and box-shadow.
So I thought I'd look into using some more advanced stuff that CSS3 offers. The main two I have looked at is the :before and :after selectors. These two selectors basically allow you to specify content that you want to be placed before or after a certain element, whether it be a div or a paragraph.
The first example I created was a banner, click here, this banner was created with one div element and one paragraph element.
The idea is that the all the left hand side elements are created by using the :before and :after on the div box and then the right hand side elements are created by using them selectors on the paragraph element. Pretty simple stuff.
To get the triangles by the way was done by using borders, as web browsers render borders by using triangles for some reason.
As another example to these selectors I also created a chat bubbles by using the same method, except all the elements were created with just one div box. Click here to view
So thats it, my new adventure into the land of CSS3 selectors.