title: TextBox with Default value
body: <p>I want to use a textbox that shows a text.</p>
  
  <p>For example : Someone@example.com. When the user clicks on it, the textbox is cleared and ready for the user to type.</p>
  
  <p><img src="https://i.stack.imgur.com/kXGma.jpg" alt="sample textbox"></p>