Tryit Editor v1.7

Source Code:

Result:

<!DOCTYPE html>
<html>
<head>
<style> 
div
{
border:2px solid;
padding:10px;
background:#dddddd;
border-top-left-radius:2em;
-webkit-border-top-left-radius:2em; /* Safari */
}
</style>
</head>
<body>

<div>The border-top-left-radius property allows you to add a rounded border to the top-left corner.</div>

</body>
</html>

Edit the code above and click "Submit Code" to see the result.

W3Schools.com - Try it yourself

Source Code:	Result:
<!DOCTYPE html> <html> <head> <style> div { border:2px solid; padding:10px; background:#dddddd; border-top-left-radius:2em; -webkit-border-top-left-radius:2em; /* Safari */ } </style> </head> <body> <div>The border-top-left-radius property allows you to add a rounded border to the top-left corner.</div> </body> </html>
Edit the code above and click "Submit Code" to see the result.	W3Schools.com - Try it yourself