title: Styling error messages with html/css/flexbox
body: <p>I would like to implement error messages for the password field as the following below pic shows.</p>
  <p>Could anyone please tell me what is the best/clean way to achieve the following view, with HTML/CSS and flexbox?</p>
  <p><a href="https://i.stack.imgur.com/z2cKF.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/z2cKF.png" alt="enter image description here" /></a></p>