styles.css

/* Navigation */
nav ul {
	display: flex;
	flex-direction: row;
	justify-content: space-around;
	list-style-type: none;
	background-color: #333;
	margin: 0;
	padding: 15px 0;
}

nav li {
	margin: 0;
	padding: 0;
}

nav li a {
	display: inline;
	color: white;
	text-align: center;
	text-decoration: none;
	padding: 15px;
	transition: background-color 0.7s;
	border-radius: 5px;
}

nav li a:hover {
	background-color: rgb(154, 154, 154);
	color: white;
	text-decoration: none;
}

/* Sections */
section[id]:not(:target) {
	display: none;
}

section[id="stats"]:target, section[id="settings"]:target, section[id="about"]:target, section[id="playGame"]:target {
	display: flex;
}

body {
	margin: 0;
	padding: 0;
	display: flex;
	flex-direction: column;
}

#allSections {
	display: flex;
	justify-content: center;
	margin: 20px 0;
}

#welcomePage {
	display: flex;
	flex-direction: column;
}

#welcomePage svg {
	width: 400px;
	height: 300px;
	margin: auto;
}

#stats {
	width: 100%;
	flex-direction: row;
	justify-content: space-around;
}

#stats #statsTop td:nth-child(2n) {
	text-align: center;
}

#stats #statsTop {
	min-width: 200px;
}

#settings {
	width: 100%;
	flex-direction: row;
	justify-content: space-around;
}

#settings #settingsDetail {
	display: flex;
	flex-direction: column;
}

#settings #settingsDetail p {
	margin-bottom: 20px;
}

#settingsDetail table td:first-child {
	padding-right: 50px;
}
#settingsDetail table td {
	padding: 10px;
}

#settings #settingsCanvasPreview #canvasPreview {
	border: 1px solid black;
	width: 350px;
	height: 200px;
	margin: 15px 0;
}

#playGame {
	position: relative;
}

#playGame h2 {
	display: none;
}

#canvasik {
	border: 1px solid black;
	background-color: white;
	min-width: 600px;
	min-height: 300px;
}

/* Countdown */
.countdown {
	position: absolute;
	top: 28%;
	left: 43%;
}

.countdown:before {
	content: '321';

	font-family: monospace;
	font-size: 100px;
	display: inline-block;
	width: 1ch;
	overflow: hidden;

	-webkit-animation: countdown 3s steps(3) 1;
	-moz-animation: countdown 3s steps(3) 1;
	-ms-animation: countdown 3s steps(3) 1;
	-o-animation: countdown 3s steps(3) 1;
	animation: countdown 3s steps(3) 1;
}

@-webkit-keyframes countdown {
	0% {
		text-indent: 0;
		transform: scale(2.5, 2.5);
	}
	100% {
		text-indent: -3ch;
		transform: scale(0.1, 0.1);
	}
}
@-moz-keyframes countdown {
	0% {
		text-indent: 0;
		transform: scale(2.5, 2.5);
	}
	100% {
		text-indent: -3ch;
		transform: scale(0.1, 0.1);
	}
}
@-ms-keyframes countdown {
	0% {
		text-indent: 0;
		transform: scale(2.5, 2.5);
	}
	100% {
		text-indent: -3ch;
		transform: scale(0.1, 0.1);
	}
}
@-o-keyframes countdown {
	0% {
		text-indent: 0;
		transform: scale(2.5, 2.5);
	}
	100% {
		text-indent: -3ch;
		transform: scale(0.1, 0.1);
	}
}
@keyframes countdown {
	0% {
		text-indent: 0;
		transform: scale(2.5, 2.5);
	}
	100% {
		text-indent: -3ch;
		transform: scale(0.1, 0.1);
	}
}

/* About */
#about {
	flex-direction: column;
	align-items: center;
}

/* Footer */
footer {
	display: flex;
	justify-content: center;
	border-top: 1px solid black;
	padding-top: 15px;
}

/* Width of page less than 600px */
@media (max-width:600px) {
	nav ul {
		flex-direction: column;
		justify-content: center;
	}

	nav li {
		margin: 15px;
	}

	nav li a {
		height: 90%;
	}

	#settings {
		flex-direction: column;
	}

	#stats {
		flex-direction: column;
	}
}