HTML MARK <mark> tag is used for highlighting (marked) the text part. If you need to point up those parts of your text, you can use the <mark> tag. This is a newly added tag and introduced in HTML5.
The text has a yellow color background in maximum browsers if the mark tag is applied to it. It can be replaced with different colors using CSS background-color property.
<!DOCTYPE html> <html> <head> <title>Mark Tag</title> </head> <body> <h2>Exmaple of Mark Tag</h2> <p>You can easily learn Web designing using <mark>Codingtag Website</mark></p> </body> </html>