複数のセレクタを1つにまとめられる:is()、セレクタの詳細度を0にする:where()、CSSの新しい疑似クラスが、SafariとFirefoxで利用できるようになりました。 そんな:is()と:where()の便利な使い方を紹介します。 CSS :is() and :where() are coming to browsers 下記は各ポイントを ...

Human CSS classes is a system of micro-attributes which allow HTML to be styled much more semantically and readably, while greatly reducing the need for individual CSS rules. The great majority of ...

Add custom classes and ids plus first, last, even, odd, and numbered classes to your widgets. Widget CSS Classes gives you the ability to add custom classes and ids ...

The use of classes is also very common when creating webpages. Classes operate in a similar way to element IDs but rather than relating to the id of an individual element, styles for a class can be ...