W3.CSS- Anzeige
Mit den Anzeigeklassen können Sie HTML-Elemente an bestimmten Positionen innerhalb anderer HTML-Elemente anzeigen:
W3.CSS-Anzeigeklassen
W3.CSS bietet die folgenden Anzeigeklassen:
Klasse | Definiert |
---|---|
w3-Display-Container | Container für w3-Display- Klassen |
w3-Anzeige-oben links | Zeigt Inhalt in der oberen linken Ecke des w3-Display-Containers an |
w3-Anzeige-oben rechts | Zeigt Inhalt in der oberen rechten Ecke des w3-Display-Containers an |
w3-Anzeige-unten links | Zeigt den Inhalt in der linken unteren Ecke des w3-Display-Containers an |
w3-Anzeige unten rechts | Zeigt den Inhalt in der unteren rechten Ecke des w3-Display-Containers an |
w3-Anzeige-links | Zeigt den Inhalt links (Mitte links) des w3-Display-Containers an |
w3-Anzeige-rechts | Zeigt den Inhalt rechts (Mitte rechts) des w3-Display-Containers an |
w3-Display-Mitte | Zeigt Inhalt in der Mitte (Mitte) des w3-Display-Containers an |
w3-display-topmiddle | Zeigt den Inhalt oben in der Mitte des w3-Display-Containers an |
w3-display-untenmitte | Zeigt den Inhalt unten in der Mitte des w3-Display-Containers an |
w3-Anzeigeposition | Zeigt Inhalt an einer bestimmten Position im w3-Display-Container an |
w3-Display-Hover | Zeigt Inhalte beim Hover im w3-Display-Container an |
w3-links | Verschiebt ein Element nach links (float: left) |
w3-richtig | Verschiebt ein Element nach rechts (float: right) |
w3-zeigen | Zeigt ein Element (Anzeige: Block) |
w3-verbergen | Blendet ein Element aus (Anzeige: keine) |
w3-mobil | Fügt jedem Element eine Mobile-First-Reaktionsfähigkeit hinzu. Zeigt Elemente als Blockelemente auf Mobilgeräten an |
Beispiele
Beispiel
<div class="w3-display-container w3-green" style="height:300px;">
<div class="w3-display-topleft">Top Left</div>
<div class="w3-display-topright">Top Right</div>
<div class="w3-display-bottomleft">Bottom Left</div>
<div class="w3-display-bottomright">Bottom Right</div>
<div class="w3-display-left">Left</div>
<div class="w3-display-right">Right</div>
<div class="w3-display-middle">Middle</div>
<div class="w3-display-topmiddle">Top Mid</div>
<div class="w3-display-bottommiddle">Bottom Mid</div>
</div>
Gleiches Beispiel wie oben mit zusätzlicher Polsterung:
Beispiel
<div class="w3-display-container w3-green" style="height:300px;">
<div class="w3-padding w3-display-topleft">Top Left</div>
<div class="w3-padding w3-display-topright">Top Right</div>
<div class="w3-padding w3-display-bottomleft">Bottom Left</div>
<div class="w3-padding w3-display-bottomright">Bottom Right</div>
<div class="w3-padding w3-display-left">Left</div>
<div class="w3-padding w3-display-right">Right</div>
<div class="w3-padding w3-display-middle">Middle</div>
<div class="w3-padding w3-display-topmiddle">Top Mid</div>
<div class="w3-padding w3-display-bottommiddle">Bottom Mid</div>
</div>
Anzeigen von Text in einem Bild:
Beispiel
<div class="w3-display-container">
<img src="img_lights.jpg" alt="Lights" style="width:100%">
<div class="w3-padding w3-display-topleft">Top Left</div>
<div class="w3-padding w3-display-topright">Top Right</div>
<div class="w3-padding w3-display-bottomleft">Bottom Left</div>
<div class="w3-padding w3-display-bottomright">Bottom Right</div>
<div class="w3-padding w3-display-topmiddle">Top Mid</div>
<div class="w3-padding w3-display-left">Left</div>
<div class="w3-padding w3-display-right">Right</div>
<div class="w3-padding w3-display-middle">Middle</div>
<div class="w3-padding w3-display-bottommiddle">Bottom Mid</div>
</div>
Hover anzeigen
Die w3-display-hover- Klasse zeigt Inhalte beim Hover in einem w3-display-Container an (wechselt von ausgeblendet zu angezeigt).
Beispiel
<div class="w3-display-container w3-light-grey" style="height:300px;">
<div class="w3-display-topleft w3-display-hover">Top Left</div>
<div
class="w3-display-topright w3-display-hover">Top Right</div>
<div
class="w3-display-bottomleft w3-display-hover">Bottom Left</div>
<div class="w3-display-bottomright w3-display-hover">Bottom Right</div>
<div class="w3-display-left w3-display-hover">Left</div>
<div
class="w3-display-right w3-display-hover">Right</div>
<div
class="w3-display-middle">Mouse over this box!</div>
<div
class="w3-display-topmiddle w3-display-hover">Top Mid</div>
<div
class="w3-display-bottommiddle w3-display-hover">Bottom Mid</div>
</div>
Die w3-Display-Hover- Klassen können mit Effekt- und Animationsklassen kombiniert werden, um coole Hover-Effekte zu erstellen:
Beispiel
<div class="w3-display-container w3-hover-opacity">
<img src="img_avatar.png"
alt="Avatar">
<div class="w3-display-middle w3-display-hover">
<button class="w3-button
w3-black">John Doe</button>
</div>
</div>
Später in diesem Tutorial erfahren Sie mehr über Animationen und Effekte.
Displaying A Flag
With a little bit of imagination, the w3-display-classes can be used to create a flag:
Example
<div class="w3-display-container w3-card-4" style="height:200px;width:350px">
<div class="w3-red w3-display-topleft" style="width:25%;height:40%"></div>
<div class="w3-red w3-display-topright" style="width:60%;height:40%"></div>
<div class="w3-red w3-display-bottomleft" style="width:25%;height:40%"></div>
<div class="w3-red w3-display-bottomright" style="width:60%;height:40%"></div>
</div>
Floating Classes
The w3-left class floats an element to the left, the w3-right class floats an element to the right:
Example
<div class="w3-bar w3-light-grey">
<div class="w3-left
w3-red">w3-left</div>
<div class="w3-right w3-blue">w3-right</div>
</div>
Note: Clear floats with the w3-clear class or put them inside a w3-container, like in the example above (clears floats automatically).
Hide and Show
Force an element to be shown or hidden with the w3-show or w3-hide class.
Example
<p class="w3-show">I am shown (display: block).</p>
<p class="w3-hide">I am hidden (display: none).</p>
These classes are often used to toggle between hiding and showing elements:
Example
Hello!
The w3-mobile Class
The w3-mobile class adds mobile-first responsiveness to any element.
It adds display:block and width:100% to an element on screens that are less than 600px wide.
Example
<button class="w3-button w3-mobile">Link</button>