how to remove border on click button code example

Example 1: css get rid of button outline on click

button:hover, button:focus {
  outline: none;
}

Example 2: how to remove border from selected button

outline: none;

Example 3: html button remove border on click

.x-btn:focus, .button:focus, [type="submit"]:focus {
   outline: none;
}

Example 4: remove on click border

outline:none;