Style borderBottom Property

Style Object Reference Style Object


Add a bottom border to a <div> element:

document.getElementById("myDiv").style.borderBottom = "thick solid #0000FF";

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Definition and Usage

The borderBottom property sets or returns up to three separate border-bottom properties, in a shorthand form.

With this property, you can set/return one or more of the following (in any order):

  • border-bottom-width
  • border-bottom-style
  • border-bottom-color

Browser Support

Internet Explorer Firefox Opera Google Chrome Safari

The borderBottom property is supported in all major browsers.


Return the borderBottom property:

Set the borderBottom property:"width style color|initial|inherit"

Property Values

Parameter Description
width Sets the width of the bottom border
style Sets the style of the bottom border
color Sets the color of the bottom border
initial Sets this property to its default value. Read about initial
inherit Inherits this property from its parent element. Read about inherit

Technical Details

Default Value: not specified
Return Value: A String, representing the width, style and/or color of the bottom border of an element
CSS Version CSS1

More Examples


Change the width, style and color of the bottom border of a <div> element:

document.getElementById("myDiv").style.borderBottom = "thin dotted red";

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Return the border-bottom property values of a <div> element:


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Related Pages

CSS tutorial: CSS Border

CSS reference: border-bottom property

HTML DOM reference: border property

Style Object Reference Style Object