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CSS Reference

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CSS Properties

animation
appearance
backface-visibility
background
border
bottom
box
caption-side
clear
clip
color
column
content
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cursor
direction
display
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left
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punctuation-trim
quotes
resize
right
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rotation-point
table-layout
target
text
top
transform
transition
vertical-align
visibility
width
white-space
word-spacing
word-break
word-wrap
z-index

CSS border-bottom-width Property

CSS Reference Complete CSS Reference

Example

Set the width of the bottom border:

p
{
border-style:solid;
border-bottom-width:15px;
}

Try it yourself »

Definition and Usage

The border-bottom-width property sets the width of an element's bottom border.

Note: Always declare the border-style property before the border-bottom-width property. An element must have borders before you can change the width.

Default value: medium
Inherited: no
Version: CSS1
JavaScript syntax: object.style.borderBottomWidth="thick"

Browser Support

Internet Explorer Firefox Opera Google Chrome Safari

The border-bottom-width property is supported in all major browsers.

Note: The value "inherit" is not supported in IE7 and earlier. IE8 requires a !DOCTYPE. IE9 supports "inherit".

Property Values

Value Description Play it
thin Specifies a thin bottom border Play it »
medium Specifies a medium bottom border. This is default Play it »
thick Specifies a thick bottom border Play it »
length Allows you to define the thickness of the bottom border Play it »
inherit Specifies that the border width should be inherited from the parent element

Related Pages

CSS tutorial: CSS Border

CSS reference: border-bottom property

HTML DOM reference: borderBottomWidth property

CSS Reference Complete CSS Reference
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