how to remove link color and underline in html code example

Example 1: remove underline from link css

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

Example 2: how to change hyperlink color in css

a {
  background-color: red;
  color: white;
  padding: 1em 1.5em;
  text-decoration: none;
  text-transform: uppercase;
}