Inputmask/extra/css/inputmask.css

.im-caret {
	-webkit-animation: 1s blink step-end infinite;
	-moz-animation: 1s blink step-end infinite;
	-ms-animation: 1s blink step-end infinite;
	-o-animation: 1s blink step-end infinite;
	animation: 1s blink step-end infinite;
}

@keyframes blink {
	from, to {
		border-right-color: black;
	}
	50% {
		border-right-color: transparent;
	}
}

@-moz-keyframes blink {
	from, to {
		border-right-color: black;
	}
	50% {
		border-right-color: transparent;
	}
}

@-webkit-keyframes blink {
	from, to {
		border-right-color: black;
	}
	50% {
		border-right-color: transparent;
	}
}

@-ms-keyframes blink {
	from, to {
		border-right-color: black;
	}
	50% {
		border-right-color: transparent;
	}
}

@-o-keyframes blink {
	from, to {
		border-right-color: black;
	}
	50% {
		border-right-color: transparent;
	}
}

.im-static {
	color: grey;
}