<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Border Radius</title>
  </head>
  <body>
    <button>Submit</button>
  </body>
</html>
button{
  border-radius: 5px;
  border: 2px solid #6A1B4D;
  
}

External CSS

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External JavaScript

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