The CSS border properties define the borders around an element:
The CSS border properties allow you to specify the style and color of an element's border.
The border-style property specifies what kind of border to display.
None of the other border
properties will have any effect unless border-style is set.
none: Defines no border
dotted: Defines a dotted border
dashed: Defines a dashed border
solid: Defines a solid border
double: Defines two borders. The width of the two borders are the same as the border-width value
groove: Defines a 3D grooved border. The effect depends on the border-color value
ridge: Defines a 3D ridged border. The effect depends on the border-color value
inset: Defines a 3D inset border. The effect depends on the border-color value
outset: Defines a 3D outset border. The effect depends on the border-color value
Try it yourself: Set the style of the border
The border-width property is used to set the width of the border.
The width is set in pixels, or by using one of the three pre-defined values: thin, medium, or thick.
Note: The "border-width" property does not work if it is used alone. Use the "border-style" property to set the borders first.
Example
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The border-color property is used to set the color of the border. The color can be set by:
You can also set the border color to "transparent".
Note: The "border-color" property does not work if it is used alone. Use the "border-style" property to set the borders first.
Example
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In CSS it is possible to specify different borders for different sides:
Example
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The example above can also be set with a single property:
Example
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The border-style property can have from one to four values.
The border-style property is used in the example above. However, it also works with border-width and border-color.
As you can see from the examples above, there are many properties to consider when dealing with borders.
To shorten the code, it is also possible to specify all the border properties in one property. This is called a shorthand property.
The shorthand property for the border properties is "border":
Example
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When using the border property, the order of the values are:
It does not matter if one of the values above are missing (although, border-style is required), as long as the rest are in the specified order.
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More Examples |
All the top
border properties in one declaration
This example demonstrates a
shorthand property for setting all of the properties for the top border in one
declaration.
Set
the style of the bottom border
This example demonstrates how to set the
style of the bottom border.
Set the
width of the left border
This example demonstrates how to set the width
of the left border.
Set the
color of the four borders
This example demonstrates how to set the color
of the four borders. It can have from one to four colors.
Set
the color of the right border
This example demonstrates how to set the
color of the right border.
The number in the "CSS" column indicates in which CSS version the property is defined (CSS1 or CSS2).
Property | Description | Values | CSS |
---|---|---|---|
border | Sets all the border properties in one declaration | border-width border-style border-color |
1 |
border-bottom | Sets all the bottom border properties in one declaration | border-bottom-width border-bottom-style border-bottom-color |
1 |
border-bottom-color | Sets the color of the bottom border | border-color | 2 |
border-bottom-style | Sets the style of the bottom border | border-style | 2 |
border-bottom-width | Sets the width of the bottom border | border-width | 1 |
border-color | Sets the color of the four borders | color_name hex_number rgb_numbertransparent inherit |
1 |
border-left | Sets all the left border properties in one declaration | border-left-width border-left-style border-left-color |
1 |
border-left-color | Sets the color of the left border | border-color | 2 |
border-left-style | Sets the style of the left border | border-style | 2 |
border-left-width | Sets the width of the left border | border-width | 1 |
border-right | Sets all the right border properties in one declaration | border-right-width border-right-style border-right-color |
1 |
border-right-color | Sets the color of the right border | border-color | 2 |
border-right-style | Sets the style of the right border | border-style | 2 |
border-right-width | Sets the width of the right border | border-width | 1 |
border-style | Sets the style of the four borders | none hidden dotted dashed solid double groove ridge inset outset inherit |
1 |
border-top | Sets all the top border properties in one declaration | border-top-width border-top-style border-top-color |
1 |
border-top-color | Sets the color of the top border | border-color | 2 |
border-top-style | Sets the style of the top border | border-style | 2 |
border-top-width | Sets the width of the top border | border-width | 1 |
border-width | Sets the width of the four borders | thin medium thick lengthinherit |
1 |
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