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outline property

Browser support:
Specifies a shorthand form for all outline properties at once. Outline is a line around an element, but different from the border property.
The outline is similar to the border of an element, but it is not part of the element's dimensions, and it is displayed around the margin of the element. Therefore the element's width and height properties do not contain the width of the outline.
Note: The outline property is supported in Internet Explorer from version 8.
JavaScript page for this property: outline. You can find other example(s) there.

Possible values:

 One of the following values: 
 Any of the following values (use the space character to separate them, each value can be used only once): 

Description of values:

Takes the value of this property from the computed style of the parent element.
Specifies the color for the outline for an element.
Specifies the style for an element's outline.
Specifies the width for an element's outline.
Default: this property has no default value.

Example HTML code 1:

This example illustrates the use of the outline property:
        .example {
            outline: 5px solid blue;
            border: 5px solid black;
    <div class="example">Outline and border</div>
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