Check out example codes for "a no line css". It will help you in understanding the concepts better.

Code Example 1

text-decoration: none;

Code Example 2

a:link {
  text-decoration: none;
}


a:visited {
  text-decoration: none;
}


a:hover {
  text-decoration: underline;
}


a:active {
  text-decoration: underline;
}

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