html {
	background: gray;
	text-align: center;
	cursor: all-scroll;
}

h3 {
	color: blue;
	background: black;
	padding: 10px;
}

p {
	background: blue;
	color: white;
	border: 4px solid;
	padding: 10px;
	width: 500px;
}

#footer {
	font-style: italic;
	font-size: 14px;
	color: green;
}

blink {
  animation: blinker 1s linear infinite;
}

@keyframes blinker {
  50% {
    opacity: 0;
    }
}