The outline shorthand property can be defined to draw a line of specific style (required), thickness, and color around the borders of the element, but the outline is not a part of element’s dimensions unlike border property.
Syntax
The syntax of CSS outline Shorthand property is as follows −
Selector {
outline: /*value*/
}Example
Let’s see an example of outline Shorthand property −
<!DOCTYPE html>
<html>
<head>
<title>CSS outline Shorthand</title>
<style>
span {
margin: 15px;
padding: 20px;
border-style: solid;
border-color: #f28500 #dc3545;
position: absolute;
outline: 5px double green;
border-radius: 50%;
}
#showDiv {
margin:auto;
border-style: solid;
border-color: darkmagenta dodgerblue;
outline: groove black;
height: 80px;
width: 80px;
}
#container {
width:50%;
margin:50px auto;
}
</style>
</head>
<body>
<div id="container">
<div id="showDiv"><span></span></div>
</div>
</body>
</html>Output
Following is the output for the above code −

Example
Let’s see another example of outline Shorthand property −
<!DOCTYPE html>
<html>
<head>
<title>CSS outline Shorthand</title>
<style>
#container {
width:50%;
margin:50px auto;
}
p {
margin:auto;
border-style: ridge;
border-width: 10px;
border-color: orange;
outline: 5px dashed yellow;
}
</style>
</head>
<body>
<div id="container">
<p>Coding Ground is loved by millions of programmers around the globe.</p>
</div>
</body>
</html>Output
Following is the output for the above code −
