Check out example codes for "how to remove underline from link". It will help you in understanding the concepts better.

Code Example 1

a, a:hover, a:focus, a:active {
      text-decoration: none;
      color: inherit;
 }

Code Example 2

<a style="text-decoration:none" href="http://Example.Microsoft.Com">nonunderlinedhyperlink</a>

Code Example 3

<a style="text-decoration: none;"></a>

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