html, body {
	position: relative;
	width: 100%;
	height: 100%;
}

html {
	box-sizing: border-box;
	background-image: radial-gradient(circle at center, #111317, #17191e, #1c1e25, #21242c);
}
*, *:before, *:after {
	box-sizing: inherit;
	text-shadow: 1px 1px 10px #00000085;
}

body {
	margin: 0;
	font-family: Metric, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
}


a:hover {
	text-decoration: underline;
}

label {
	display: block;
}

input, button, select, textarea {
	font-family: inherit;
	font-size: inherit;
	padding: 0.4em;
	margin: 0 0 0.5em 0;
	box-sizing: border-box;
	border: 1px solid #ccc;
	border-radius: 2px;
}

input:disabled {
	color: #ccc;
}

input[type="range"] {
	height: 0;
}

button {
	display: inline-block;
	border: none;
	padding: 1rem 2rem;
	margin: 0;
	text-decoration: none;
	background: none;
	color: #ffffff;
	font-family: sans-serif;
	font-size: 1rem;
	cursor: pointer;
	text-align: center;
	transition: background 250ms ease-in-out,
	transform 150ms ease;
	-webkit-appearance: none;
	-moz-appearance: none;
}

button:hover,
button:focus {
	background: none;
}

button:focus {
	outline: none;
	outline-offset: -4px;
}

button:active:not(:disabled) {
	transform: scale(0.9);
}

button:disabled {
	opacity: 0.6;
	cursor: default;
}