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CSS Secrets
book

CSS Secrets

by Lea Verou
October 2016
Intermediate to advanced
400 pages
8h 26m
German
dpunkt
Content preview from CSS Secrets

3 Formen

9 Flexible Ellipsen

Das Problem

Möglicherweise ist Ihnen schon aufgefallen, dass jedes quadratische Element mit einem ausreichen großen border-radius in einen Kreis verwandelt werden kann. Zum Beispiel so:

background: #fb3;width: 200px;height: 200px;border-radius: 100px; /* >= halbe Seitenlänge */

image

Abbildung 3.1Ein Kreis, erzeugt mit festen Werten für Breite und Höhe und border-radius mit der Hälfte dieses Werts.

Außerdem haben Sie vermutlich gemerkt, dass jeder Radius größer als 100px einen Kreis ergibt. Der Grund liegt in der Spezifikation:

»Wenn die Summe zweier benachbarter ...

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Publisher Resources

ISBN: 9781098124373