@import url('https://fonts.googleapis.com/css?family=Oswald');

* {
	margin: 0px;
}

body {
	--dividers: 20px;
	background-color: white;
	text-align: justify;
	background-size: cover;
	background-repeat: no-repeat;
	min-height: 100vh;
	display: flex;
	flex-flow: column nowrap;
	align-items: center;
	font-family: Georgia;
}

body > * {
	padding: var(--dividers);
	background-color: #eee;
	border: 3px solid #ccc;
	border-radius: 10px;
}

.float-bottom {
	clear: both;
}

header {
	margin: var(--dividers);
	max-width: 775px;
}

header h1 {
	text-align: center;
	font-family: sans-serif;
	font-size: 40pt;
}

header p {
	margin-top: calc(var(--dividers) / 2);
}

.element {
	float: right;
	height: 80px;
	width: 80px;
	border: 3px solid black;
	margin-left: var(--dividers);
	padding: 4px 6px;
	box-sizing: border-box;
	text-align: center;
	font-family: sans-serif;
	font-weight: bold;
	background-color: white;
}

.element span {
	display: block;
}

.element .number {
	position: absolute;
	font-size: 11pt;
}

.element .symbol {
	font-size: 24pt;
}

.element .name {
	font-size: 11pt;
}

.element .mass {
	font-size: 9pt;
}

main {
	--big-text: 20pt;
	margin: 100px 20vw;
	padding: 20px;
	max-width: 500px;
}

main h2 {
	font-family: sans-serif;
	font-size: var(--big-text);
	text-align: center;
}

main table {
	margin: var(--dividers) 0px;
}

main td {
	margin: 10px 0px;
}

main td.title {
	vertical-align: text-top;
	text-align: right;
	font-family: sans-serif;
	padding-right: var(--dividers);
}

#buttons {
	display: flex;
	justify-content: center;
}

#buttons button {
	display: block;
	margin: 0px calc(var(--dividers) / 2);
	font-size: var(--big-text);
	font-family: sans-serif;
}

footer {
	display: flex;
	flex-flow: row wrap;
	justify-content: space-around;
	align-items: center;
	font-family: monospace;
	font-size: 10pt;
	border-radius: 0;
	border-right: none;
	border-left: none;
	margin-top: auto;
	width: 100%;
}

footer * {
	color: black;
}

#credit {
	text-align: center;
}

#credit .name {
	font-weight: bold;
}

#links a {
	font-family: "Oswald";
	text-decoration: none;
	font-size: 14pt;
}

#links a:hover {
	text-decoration: underline;
}

.hidden {
	display: none !important;
}