border-top-width property

The border-top-width property specifies a width of a top border. The value of the property is any size units, except percentages, or the keywords thin (2 pixels border), medium (4 pixels border) or thick (6 pixels border). Default value: medium.

Syntax

selector {
	border-top-width: value;
}

Example

Let's set a top border to one pixel width:

<div id="elem"></div>

#elem {
	border-top-width: 1px;
	border-top-style: solid;
	border-top-color: black;
	
	background: #f9f9f9;
	width: 300px;
	height: 100px;
}

border-top-width property

Syntax

Example

See also