title: CSS/HTML: Create a glowing border around an Input Field
body: <p>I want to create some decent inputs for my form, and I would really like to know how TWITTER does their glowing border around their inputs.</p>
  
  <p>Example/Picture of the Twitter border: </p>
  
  <p><img src="https://i.stack.imgur.com/v33Wq.png" alt="enter image description here"></p>
  
  <p>I also don't quite know how to create the rounded corners.</p>