how to get rid of button outline css code example

Example 1: css remove blue outline button

button {
  outline: none;
}

Example 2: remove button default border css

button:focus { outline: none; }

Example 3: removing the unwanted border button css

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

Example 4: diable focus button css

*:focus {
    outline: 0 !important;
}

Example 5: css remove button outline

button:focus {outline:0;}