Sass class element

Nesting and multiple classes? This notation is most often used to write pseudo -elements and -classes:. A placeholder class is a special type of class that only prints when it is extended. Unification of an element selector is somewhat complicate especially when a namespace is specified.

ACTUALLY_ELEMENTS = Some pseudo- class -syntax selectors are actually considered pseudo- elements and must be treated differently.

The ampersand parent selector. Notice how there is no space between. HTML elements with class=child nested within class=parent.

The parent selector works perfectly for Pseudo- Classes but fail here because we need to select the. Every element could be a mixin or placeholder. If you want understand what pseudo- classes and pseudo- elements are, you can read this post.

This targets any intro class immediately following an element with the class.

For instance, removing the text decoration from an anchor tag . The align-center silent class allows you to center a block-level element. A pseudo- class is used to define a special state of an element. BEM — Block Element Modifier is a methodology, that helps you to achieve reusable. To form a CSS class , add a short prefix for namespacing:. Have you ever added classes to a single DOM element ? Maps are a hugely under-appreciated feature of Sass.

Treat it like a class in OOP programming, or if you are familiar with React. Now you can use the classes. SASS Implementation, with few. BEM (Block, Element , Modifier) from Yandex allows developers to.

Sass , LESS, stylus, PostCSS. As soon as we nest the Element classes , like so:. Using the BEM naming convention, element class names are derived by. Using BEM, modifier class names are derived by adding two hyphens.

This is especially useful in environments where one uses LESS or SASS.

A common solution is to factor common properties into classes. The idea is that we group common styles into reusable classes that can be added to elements. Written like a class , but starting with a instead of a.