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Home Course CSS Border -

CSS Border -

by MH RISHAD - 01 Jan 1970
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Properties of CSS Border

Properties of CSS border, allow your style is specify, width, and color of a border element's.

Such as

All sides borders have on.

Red bottom border I have

Rounded borders I have.

Blue left border I have a.

Border Style

The border-style property specifies what kind of border to display.

The listed following values are accepted:

  1. dotted - Defines a dotted border
  2. dashed - Defines a dashed border
  3. solid - Defines a solid border
  4. double - Defines a double border
  5. groove - Defines a 3D grooved border. The effect depends on the border-color value
  6. ridge - Defines a 3D ridged border. The effect depends on the border-color value
  7. inset - Defines a 3D inset border. The effect depends on the border-color value
  8. outset - Defines a 3D outset border. The effect depends on the border-color value
  9. none - Defines no border
  10. hidden - Defines a hidden border

The border-style property can have from one to four values (for the top border, right border, bottom border, and the left border).

Example

p.dotted {border-style: dotted;}

p.dashed {border-style: dashed;}

p.solid {border-style: solid;}

p.double {border-style: double;}

p.groove {border-style: groove;}

p.ridge {border-style: ridge;}

p.inset {border-style: inset;}

p.outset {border-style: outset;}

p.none {border-style: none;}

p.hidden {border-style: hidden;}

p.mix {border-style: dotted dashed solid double;}

Output:

  • A dotted border.
  • A dashed border.
  • A solid border.
  • A double border.
  • A groove border. The effect depends on the border-color value.
  • A ridge border. The effect depends on the border-color value.
  • An inset border. The effect depends on the border-color value.
  • An outset border. The effect depends on the border-color value.
  • No border.
  • A hidden border.
  • A mixed border.

Note: None of the OTHER CSS border properties described below will have ANY effect unless the border-style property is set!

Border Width

The border-width property specifies the width of the four borders.

The width can be set as a specific size (in px, pt, cm, em, etc) or by using one of the three pre-defined values: thin, medium, or thick.

The border-width property can have from one to four values (for the top border, right border, bottom border, and the left border).

6px border-width

Example

p.first {
border-style: solid;
border-width: 5px;
}
p.second {
border-style: solid;
border-width: medium;
}
p.third {
border-style: solid;
border-width: 2px 10px 4px 20px;
}

Border Color

The border-color property is used to set the color of the four borders.

The color can be set by:

name - specify a color name, like "red"

Hex - specify a hex value, like "#ff0000"

RGB - specify a RGB value, like "rgb(255,0,0)"

transparent

The border-color property can have from one to four values (for the top border, right border, bottom border, and the left border).

If border-color is not set, it inherits the color of the element.

Example

p.one {
border-style: solid;
border-color: red;
}
p.two {
border-style: solid;
border-color: green;
}
 
p.three {
border-style: solid;
border-color: red green blue yellow;
}

Border - Individual Sides

From the examples above you have seen that it is possible to specify a different border for each side.

In CSS, there are also properties for specifying each of the borders (top, right, bottom, and left):

Different Types of Border Styles

Example

p {
border-top-style: dotted;
border-right-style: solid;
border-bottom-style: dotted;
border-left-style: solid;
}

Example

p {
border-style: dotted solid;
}
So, here is how it works:

If the border-style property has four values:

border-style: dotted solid double dashed;

top border is dotted

right border is solid

bottom border is double

left border is dashed

If the border-style property has three values:

border-style: dotted solid double;

top border is dotted

right and left borders are solid

bottom border is double

If the border-style property has two values:

border-style: dotted solid;

top and bottom borders are dotted

right and left borders are solid

If the border-style property has one value:

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 individual border properties in one property.

The border property is a shorthand property for the following individual border properties:

border-width

border-style (required)

border-color

Example

p {
border: 5px solid red;
}
You can also use border properties for just one side:
Left Border
p {
border-left: 5px solid red;
background-color: lightgrey;
}

 

Bottom Border

p {
border-bottom: 6px solid red;
background-color: lightgrey;
}

Rounded Borders

The border-radius property is used to add rounded borders to an element:

Normal border

Round border

Rounder border

Roundest border

Example

p {
border: 2px solid red;
border-radius: 5px;
}

Note: The border-radius property is not supported in IE8 and earlier versions.

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.

Test Yourself with Practices 

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