<hr> tag is used to specify horizontal line break in HTML document.
It draws a horizontal line between different content .
HTML is a language for describing web pages.
HR tag is used to draw a horizontal line.
<hr> tag need not to be closed whereas it must be properly closed in XHTML like
HTML 4.01, the
<hr> tag represents a horizontal rule while in HTML 5, it represents a thematic break. CSS is used in HTML5 instead of layout attributes.