Tryit Editor v1.8

Source Code:
<!DOCTYPE html> <html> <head> <style> div { margin:20px; width:150px; padding:10px; height:70px; border:2px solid black; outline:2px solid red; outline-offset:15px; } </style> </head> <body> <p><b>Note:</b> Internet Explorer does not support the outline-offset property.</p> <div>This div has an outline border 15px outside the border edge.</div> </body> </html>
Result:
W3Schools.com - Try it yourself