body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
}
div {
	margin: auto;
	background-image: url("putty.png");
	padding: 20px 5 5 5;
	background-color: black;
	color: green;
	font-weight: bold;
	height: 400px;
	width: 600px;
}
blink {
  animation: blink-animation 1s steps(2, start) infinite;
  -webkit-animation: blink-animation 1s steps(2, start) infinite;
}
@keyframes blink-animation {
  to {
    visibility: hidden;
  }
}
@-webkit-keyframes blink-animation {
  to {
    visibility: hidden;
  }
}