css hr what does it mean
css hr refers to the
tag, which defines theme changes in the HTML page and is displayed as a horizontal line; the
element is used to divide the content in the HTML page or define a change .
The operating environment of this article: Windows7 system, HTML5&&CSS3 version, Dell G3 computer.
css hr What does it mean? The
tag defines a topic change (such as a transfer of topic) in an HTML page and is displayed as a horizontal line. The
element is used to separate content in an HTML page (or to define a variation).
Differences between HTML 4.01 and HTML5
In HTML5,
defines the theme variation in the content and is displayed as a horizontal line.
In HTML 4.01, the
tag appears only as a horizontal line.
In HTML 4.01, all layout attributes are obsolete. These attributes are no longer supported in HTML5. Use CSS to style the
element.
Differences between HTML and XHTML
In HTML, the
tag does not have a closing tag.
In XHTML, the
tag must be closed correctly, such as
.
Attributes
Code example:
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title></title> </head> <body> <h1 id="HTML">HTML</h1> <p>HTML 是用于描述 web 页面的一种语言。</p> <hr> <h1 id="CSS">CSS</h1> <p>CSS 定义如何显示 HTML 元素。</p> </body> </html>
Effect:
Recommended learning: "css video tutorial"
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