*
{
	margin: 0;
	padding: 0;

	line-height: 1.4em;

	box-sizing: border-box;

	font-family: 'Helvetica', sans-serif;
}

html,
body
{
	height: 100%;

	border: solid 12px rgb(220, 220, 220);
}

h1
{
	position: relative;
	top: 45%;

	text-align: center;
	font-size: 20px;

	-webkit-animation-name: pulse; /* Chrome, Safari, Opera */
    -webkit-animation-duration: 4s; /* Chrome, Safari, Opera */
    -webkit-animation-iteration-count: infinite;
    -webkit-animation-direction: alternate;
    animation-name: pulse;
    animation-duration: 4s;
    animation-iteration-count: infinite;
    animation-direction: alternate;
}

/* Chrome, Safari, Opera */
@-webkit-keyframes pulse
{
    from { color: #000; }
    to   { color: #c6c6c6; }
}

/* Standard syntax */
@keyframes pulse
{
    from { color: #000; }
    to   { color: #c6c6c6; }
}