HTML <hr> size Attribute (original) (raw)

Last Updated : 11 Jul, 2025

The **HTML

element's size attribute defines the height (thickness) of the horizontal rule. It accepts numerical values that specify the pixel height. However, this attribute is deprecated in HTML5, and it's recommended to use CSS for controlling the height of

elements.​

**Syntax

**Attribute Values

It contains single value **pixels which specify the height in terms of pixels.

**Note: The

size Attribute is not supported by HTML 5.

**Example: In this example we centers a heading "GeeksforGeeks" and uses two

elements, where the size attribute adjusts their thickness to 10 and 20 pixels, creating visually distinct horizontal lines.

html `

HTML hr size Attribute

GeeksforGeeks

Computer science portal

`

**Output:

**Supported Browsers

The browser supported by **HTML

size Attribute are listed below: