.all {
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
}

table{
	border: 5px solid black;
	border-style: dotted;
	animation: blinker 1s linear infinite;
}

h1 {
	margin: 20%;
	font-size: 200%;
}

@keyframes blinker {
  50% {
	border-style: dashed;
  }
}