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This article mainly introduces the relevant knowledge of the characteristics of css block-level elements, the content is detailed and easy to understand, the operation is simple and fast, and has a certain reference value. I believe you will gain something after reading this article on the characteristics of css block-level elements. Let's take a look at it.

Definition of css block-level elements

According to the W3C explanation, that is, block (block level) elements are displayed in a single row. Its sibling element must not be on the same line as it (unless it is separated from the document stream). In fact, in popular terms, blockelement elements are generally container elements of other elements, which can accommodate other block elements or inline elements. The most common ones are P and div. To put it more simply, a block element is like a square, which can be placed in other squares and can be displayed anywhere on the page.

If you still don't quite understand the above definition of css block-level elements, let's take a look at three characteristics of css block-level elements:

1. Each block-level element occupies a separate line, and the subsequent element can only start a separate line, and two elements cannot share a line.

2. The height, width, row height and top-bottom margin of the element can be set.

3. If the width of the element is not set, the default is the width of the parent element.

After looking at these three features of css block-level elements, we should have a better understanding of css elements, so let's take a look at what css block-level elements are.

What are the css block-level elements?

Common css block-level elements:

Address: address.

Blockquote: block reference.

Center: align the block in the lift.

Dir: list of directories.

Div: commonly used block-level easy, is also the main tag of CSSlayout.

Dl: define the list.

Fieldset:form control group.

Form: interactive forms.

H2-h7: title.

Hr: horizontal separator.

Isindex:inputprompt . Menu: menu list.

Noframes:frames optional content (this block content is displayed for browsers that do not support frame).

Noscript: optional script content (displayed for browsers that do not support script).

Ol: ordered forms.

P: paragraph.

Pre: format the text.

Table: table.

Ul: unordered list.

This is the end of the article on "what are the characteristics of css block-level elements?" Thank you for reading! I believe that everyone has a certain understanding of the knowledge of "what are the characteristics of css block-level elements". If you want to learn more knowledge, you are welcome to follow the industry information channel.

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