CSS border Property

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h1 {
  border: 5px solid red;

h2 {
  border: 10px dotted blue;

p {
  border: 10px double;

Hello World!


The border property is a shorthand for border-color, border-style and border-width for all four sides of an element’s border.

Default value:medium none currentcolor
JavaScript syntax:
object.style.border="[ border-width border-style border-color ] |initial|inherit|revert|revert-layer|unset";

Standard Syntax

border: [ border-width border-style border-color ] |initial|inherit|revert|revert-layer|unset;

Browser Support

The numbers in the table specify the first browser version that fully supports the property.


Property Values

The following table describes the values of this property.

Value Description
border-width Sets the width of the border of an element.
border-style Sets the line style of the border of an element.
border-color Sets the color of the border of an element.
initial Sets this property to its default value.
inherit If specified, the associated element takes the computed value of its parent element animation-delay property.
revert Reverts the cascaded value of the property from its current value to the value the property
revert-layer Rollback styles to the ones specified in previous cascade layers.
unset Resets a property to its inherited value if the property naturally inherits from its parent, and to its initial value if not.

Default CSS Property Values

selectors {
  border: medium none currentcolor;
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