HTML -Schaltfläche Entfernen Sie den Rand auf Klicken
.x-btn:focus, .button:focus, [type="submit"]:focus {
outline: none;
}
Dizzy Dunlin
.x-btn:focus, .button:focus, [type="submit"]:focus {
outline: none;
}CSS clicked event
:active {
css declarations;
}something:active {}