REMOVING OUTLINE FROM HTML ELEMENTS
Run 
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>HTML</title>
<style>
  input:focus, textarea:focus, select:focus{
   outline: none;
  }
</style>
</head>
<body>
   <h2> Remove outline  </h2>
   <form>
        <h3> Text input field </h3>
        <input type="text" placeholder="textbox">
		 <h3> textbox </h3>
        <textarea>write here</textarea>
        <h3> Select </h3>
        <select>
            <option>Select</option>
        </select>
    </form>

</body>
</html>