html {
	min-height: 100%;
	background:
		linear-gradient(180deg, rgba(255, 255, 255, 0.07), transparent 42%),
		linear-gradient(135deg, #2a3a3f 0%, #17252b 48%, #0d1418 100%);
	font-family: Verdana, sans-serif;
}

* {
	box-sizing: border-box;
	margin: 0;
	padding: 0;
}

body {
	position: absolute;
	top: 50%;
	left: 50%;
	width: 1px;
	height: 1px;
}

#content {
	width: 900px;
	margin: -250px 0 0 -450px;
	text-align: center;
}

#animated_logo {
	height: 200px;
}

@keyframes flying {
	0% {
		margin-top: 0;
	}

	50% {
		margin-top: 5px;
	}

	100% {
		margin-top: 0;
	}
}

#logo {
	animation: flying 0.5s cubic-bezier(0.4, 0.3, 1, 1) infinite;
}

form {
	width: min(400px, calc(100vw - 48px));
	margin: 0 auto;
}

#link {
	width: 100%;
	height: 46px;
	padding: 0 18px;
	border: 1px solid rgba(255, 255, 255, 0.22);
	border-radius: 6px;
	outline: 0;
	background:
		linear-gradient(180deg, rgba(255, 255, 255, 0.11), rgba(255, 255, 255, 0.04));
	box-shadow:
		inset 0 1px 0 rgba(255, 255, 255, 0.09),
		0 14px 32px rgba(0, 0, 0, 0.24);
	color: #fff;
	font-size: 1rem;
	letter-spacing: 0;
	text-align: center;
	transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

#link:hover {
	border-color: rgba(255, 255, 255, 0.34);
	background:
		linear-gradient(180deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.06));
}

#link:focus {
	border-color: rgba(144, 220, 211, 0.78);
	background:
		linear-gradient(180deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.07));
	box-shadow:
		0 0 0 3px rgba(144, 220, 211, 0.14),
		inset 0 1px 0 rgba(255, 255, 255, 0.12),
		0 18px 38px rgba(0, 0, 0, 0.28);
}

#link::selection {
	background: rgba(144, 220, 211, 0.35);
	color: #fff;
}

@media only screen and (max-width: 900px) {
	body {
		position: relative;
		top: 0;
		left: 0;
		width: 100%;
	}

	#content {
		position: relative;
		width: 100%;
		margin: 0;
	}
}