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CSS border-top-width Property
Example
Set the width of the top border:
p
{
border-style:solid;
border-top-width:15px;
}
{
border-style:solid;
border-top-width:15px;
}
Try it yourself »
Definition and Usage
The border-top-width property sets the width of an element's top border.
Note: Always declare the border-style property before the border-top-width property. An element must have borders before you can change the width.
| Default value: | medium |
|---|---|
| Inherited: | no |
| Version: | CSS1 |
| JavaScript syntax: | object.style.borderTopWidth="thick" |
Browser Support
The border-top-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 top border | Play it » |
| medium | Specifies a medium top border. This is default | Play it » |
| thick | Specifies a thick top border | Play it » |
| length | Allows you to define the thickness of the top 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-top property
HTML DOM reference: borderTopWidth property
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