big
Definition and Usage
The <big> tag defines bigger text.
The HTML <big> tag makes text one font size bigger in the HTML document. This tag is also commonly referred to as the <big> element.The 
<big> tag increases the text font size by one size bigger than a document's base font size; for example, from small to medium, or from large to x-large. Each nested big element will further increase the size by one size bigger.
Syntax
In HTML, the syntax for the <big> tag is:<body> <p>This is a paragraph and <big>bigger text goes here</big></p> </body>