how to remove underline text in css code example

Example 1: remove underline from link css

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

Example 2: css desactivate underline

text-decoration: none;

Example 3: how to remove all defualt underline in css

a:link {
    text-decoration: none;
}

a:visited {
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

a:active {
    text-decoration: underline;
}