CSS article Visual formatting model translation

Explain:

1. Replaceable elements

The replaceable element is an element that is not scoped to the CSS, that is, its presentation is independent of the CSS. Typical replaceable elements are:

1. , <object>, <video>,

2. Form elements: <textarea>, <input>.

3. Some elements are only replaceable elements under certain circumstances, such as: <audio> <canvas>.

4. Content inserted using CSS properties is called an anonymous replaceable element.

The typical feature of this type of element is that there is no end tag, so there is no content between the start and end tags, and the content is specified by attributes (such as value); You can also understand that the tag will be replaced by external resources.

2. Non-replaceable elements:

All HTML elements except above are called non-replaceable elements.

Information:

Replaced element

CSS article Visual formatting model translation