CSS - Borders

The border properties allow you to specify how the border of the box representing an element should look. There are three properties of a border you can change

The border-color Specifies the color of a border.
The border-style Specifies whether a border should be solid, dashed line, double line, or one of the other possible values.
The border-width Specifies the width of a border.

Now we will see how to use these properties with examples.

The border-color Property:

<style type="text/css">
p.example1{
   border:1px solid;
   border-bottom-color:#009900; /* Green */
   border-top-color:#FF0000;    /* Red */
   border-left-color:#330000;   /* Black */
   border-right-color:#0000CC;  /* Blue */
}
p.example2{
   border:1px solid;
   border-color:#009900;        /* Green */
}
</style>
<p class="example1">
This example is showing all borders in different colors.
</p>
<p class="example2">
This example is showing all borders in green color only.
</p>

This will produce following result:

This example is showing all borders in different colors.

This example is showing all borders in green color only.

To Become more comfortable - Do Online Practice

The border-style Property:

ridge: Border looks the opposite of groove.

inset: Border makes the box look like it is embedded in the page.

outset: Border makes the box look like it is coming out of the canvas.

hidden: Same as none, except in terms of border-conflict resolution for table elements.

You can individually change the style of the bottom, left, top, and right borders of an element using following properties:

border-bottom-style changes the style of bottom border.
border-top-style changes the style of top border.
border-left-style changes the style of left border.
border-right-style changes the style of right border.

Following is the example to show all these border styles:

<p style="border-width:4px; border-style:none;">
This is a border with none width.
</p>
<p style="border-width:4px; border-style:solid;">
This is a solid border.
</p>
<p style="border-width:4px; border-style:dashed;">
This is a dahsed border.
</p>
<p style="border-width:4px; border-style:double;">
This is a double border.
</p>
<p style="border-width:4px; border-style:groove;">
This is a groove border.
</p>
<p style="border-width:4px; border-style:ridge">
This is aridge  border.
</p>
<p style="border-width:4px; border-style:inset;">
This is a inset border.
</p>
<p style="border-width:4px; border-style:outset;">
This is a outset border.
</p>
<p style="border-width:4px; border-style:hidden;">
This is a hidden border.
</p>
<p style="border-width:4px; 
             border-top-style:solid;
             border-bottom-style:dashed;
             border-left-style:groove;
             border-right-style:double;">
This is a a border with four different styles.
</p>

This will produce following result:

This is a border with none width.

This is a solid border.

This is a dahsed border.

This is a double border.

This is a groove border.

This is aridge border.

This is a inset border.

This is a outset border.

This is a hidden border.

This is a a border with four different styles.

To Become more comfortable - Do Online Practice

The border-width Property:

Following is the example to show all these border width:

<p style="border-width:4px; border-style:solid;">
This is a solid border whose width is 4px.
</p>
<p style="border-width:4pt; border-style:solid;">
This is a solid border whose width is 4pt.
</p>
<p style="border-width:thin; border-style:solid;">
This is a solid border whose width is thin.
</p>
<p style="border-width:medium; border-style:solid;">
This is a solid border whose width is medium;
</p>
<p style="border-width:thick; border-style:solid;">
This is a solid border whose width is thick.
</p>
<p style="border-bottom-width:4px;
             border-top-width:10px;
             border-left-width: 2px;
             border-right-width:15px;
             border-style:solid;">
This is a a border with four different width.
</p>

This will produce following result:

This is a solid border whose width is 4px.

This is a solid border whose width is 4pt.

This is a solid border whose width is thin.

This is a solid border whose width is medium;

This is a solid border whose width is thick.

This is a a border with four different width.

To Become more comfortable - Do Online Practice

Border Properties Using Shorthand:

This will produce following result:

This example is showing shorthand property for border.

To Become more comfortable - Do Online Practice