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

:root {
	--dark-bg: #111;
	--light-bg: #333;
	--shadow: #00000080;
	--normal-txt: #f4f4f4;
	--link-normal: #f44;
	--link-hover: #f66;
	--link-active: #faa;
	--dim-bg: #222;
	--dim-bg-light: #272727;
}

body {
	background-color: var(--dark-bg);
	color: var(--normal-txt);
	font-family: "Trebuchet MS", Helvetica, sans-serif;
	text-align: justify;
}

main {
	width: 95%;
	max-width: 960px;
	margin: auto;
}

.text-block {
	background-color: var(--light-bg);
	padding: 0.63em 1.56em;
	margin-bottom: 1em;
	border-radius: 1em;
	box-shadow: 3px 3px var(--shadow);
}

header {
	margin: 0.67em 0;
}
header, footer {
	text-align: center;
}
footer {
	margin-bottom: 8px;
}

p {
	margin: 1em 0;
}

a {
	text-decoration: none;
	color: var(--link-normal);
}
a:hover {
	color: var(--link-hover);
	text-decoration: underline;
}
a:active {
	color: var(--link-active);
}

.btn-container {
	text-align: center;
}

.btn-grid {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 8px;
	margin: 8px auto;
}

button {
	font-size: 1.25em;
	font-family: inherit;
	padding: 5px 10px;
	background-color: var(--dim-bg);
	box-shadow: 3px 3px var(--shadow);
	border-radius: 0.5em;
	border: none;
	cursor: pointer;
	color: var(--link-normal);
}
button:hover {
	background-color: var(--dim-bg-light);
	color: var(--link-hover);
}

#show-hide button, #guest-btn {
	color: var(--text-color);
	background-color: inherit;
	box-shadow: none;
}
#show-hide button:hover, #guest-btn:hover {
	background-color: var(--dim-bg);
}

.check {
	width: 0.8em;
}

.off {
	box-shadow: none;
	background-color: inherit;
	color: var(--normal-txt);
}
.off:hover {
	color: var(--normal-txt);
	background-color: var(--dim-bg);
}

ul {
	column-count: 2;
	list-style-type: none;
	margin-bottom: 16px;
}
li {
	break-inside: avoid-column;
	overflow: hidden;
	text-align: left;
}

h2 {
	text-align: center;
	background-color: var(--dim-bg);
	padding: 5px;
	border-radius: 0.5em;
	margin-top: 8px;
	margin-bottom: 16px;
}

.hidden {
	display: none;
}

h1 {
	font-style: italic;
}

/* Mobile fix */
@media only screen and (max-width: 768px) {
	ul {
		column-count: 1;
	}
	button {
		margin: 5px 2px;
	}
	button:hover {
		background-color: var(--dim-bg);
		color: var(--link-normal);
	}
	#show-hide button:hover, #guest-btn:hover {
		background-color: inherit;
	}
	.btn-grid {
		display: block;
		margin: 0;
	}
}