title: Why table tr hover effect doesn't work?
body: <p>Can anyone suggest about the <code>table</code> hover effect? See the image:</p>
  
  <p><a href="https://i.stack.imgur.com/ZtTUQ.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/ZtTUQ.png" alt="enter image description here"></a> </p>
  
  <p>When I hover <code>tr</code>, this image style that blue border needed. How to get this output?</p>
  
  <p><a href="https://jsfiddle.net/tamilselvancst/s9umr8fz/3/" rel="nofollow noreferrer">https://jsfiddle.net/tamilselvancst/s9umr8fz/3/</a></p>