CSS Border
The CSS border properties define the borders around an element:
CSS Border Properties
The CSS border properties allow you to specify the style and color of an element's border.
Border Style
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.
border-style Values
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
Border Width
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
p.one
{
border-style:solid;
border-width:5px;
}
p.two
{
border-style:solid;
border-width:medium;
}
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Try it yourself »
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Border Color
The border-color property is used to set the color of the border. The color can be set by:
- name - specify a color name, like "red"
- RGB - specify a RGB value, like "rgb(255,0,0)"
- Hex - specify a hex value, like "#ff0000"
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
p.one
{
border-style:solid;
border-color:red;
}
p.two
{
border-style:solid;
border-color:#98bf21;
}
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Try it yourself »
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Border - Individual sides
In CSS it is possible to specify different borders for different sides:
Example
p
{
border-top-style:dotted;
border-right-style:solid;
border-bottom-style:dotted;
border-left-style:solid;
} |
Try it yourself »
|
The example above can also be set with a single property:
The border-style property can have from one to four values.
- border-style:dotted solid double dashed;
- top border is dotted
- right border is solid
- bottom border is double
- left border is dashed
- border-style:dotted solid double;
- top border is dotted
- right and left borders are solid
- bottom border is double
- border-style:dotted solid;
- top and bottom borders are dotted
- right and left borders are solid
- border-style:dotted;
- all four borders are dotted
The border-style property is used in the example above. However, it also works with border-width
and border-color.
Border - Shorthand property
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":
When using the border property, the order of the values are:
- border-width
- border-style
- border-color
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.
All CSS Border Properties
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_number
transparent
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
length
inherit |
1 |
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