Tryit Editor v1.8

Source Code:
<!DOCTYPE html> <html> <head> <style> #grad1 { height:150px; width:200px; background: -webkit-radial-gradient(red, yellow, green); /* For Safari */ background: -o-radial-gradient(red, yellow, green); /* For Opera 11.1 to 12.0 */ background: -moz-radial-gradient(red, yellow, green); /* For Fx 3.6 to 15 */ background: radial-gradient(red, yellow, green); /* Standard syntax (must be last) */ } #grad2 { height:150px; width:200px; background: -webkit-radial-gradient(circle, red, yellow, green); /* For Safari */ background: -o-radial-gradient(circle, red, yellow, green); /* For Opera 11.1 to 12.0 */ background: -moz-radial-gradient(circle, red, yellow, green); /* For Fx 3.6 to 15 */ background: radial-gradient(circle, red, yellow, green); /* Standard syntax (must be last) */ } </style> </head> <body> <h3>Radial Gradient - Shapes</h3> <p><strong>Ellipse (this is default):</strong></p> <div id="grad1"></div> <p><strong>Circle:</strong></p> <div id="grad2"></div> <p><strong>Note:</strong> Internet Explorer 9 and earlier versions do not support gradients.</p> </body> </html>
Result:
W3Schools.com - Try it yourself