Código de barras de navegación HTML SVG

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HTML

CSS

@import url('https://fonts.googleapis.com/css?family=Montserrat:400,700');

:root {
	--bg: #1111;
}

* {
	margin:0;
	padding:0;
	outline:none;
	list-style:none;
	text-decoration:none;
	box-sizing:border-box;
	background: transparent;
	border:none;
}

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

body {
	background: var(--bg);
	color: #000;
	font-family: 'Montserrat', sans-serif;
	font-size: 16px;
}

h1, h2, h3 {
	font-weight: 700;
}

main {
	height: 90%;
	max-width: 600px;
	margin-left: auto;
	margin-right: auto;
	border-radius: 0 0 50px 50px;
	display: flex;
	align-items: flex-end;
	justify-content: center;
	background: var(--bg);
	box-shadow: rgba(50, 50, 93, 0.15) 0px 30px 60px -12px inset, rgba(0, 0, 0, 0.2) 0px 18px 36px -18px inset, rgba(50, 50, 93, 0.15) 0px 50px 100px -20px, rgba(0, 0, 0, 0.1) 0px 30px 60px -30px;
}

.nav {
	width: 90%;
	max-width: 500px;
	display: flex;
	justify-content: space-around;
	align-items: center;
	margin-bottom: 60px;
}

.nav__btn {
	width: 80px;
	height: 80px;
	border-radius: 50%;
	border: none;
	outline: none;
	cursor: pointer;
	display: flex;
	justify-content: center;
	align-items: center;
	position: relative;
	transition: transform 0.4s cubic-bezier(.47,1.64,.41,.8);
	&:before {
		content:"";
		filter: blur(2.5px);
		position: absolute;
		border-radius: 50%;
		z-index: 0;
		top: 0;
		left: 0;
		width: 100%;
		height: 100%;
		background: var(--bg);
		transition: box-shadow 0.4s ease-in-out, filter 0.4s ease-in-out;
		box-shadow: -13px -13px 14px 0px rgb(255 255 255 / 80%), 7px 20px 30px -12px rgb(0 0 0 / 12%) inset, rgb(255 255 255 / 80%) -20px -18px 36px -18px inset, 9px 13px 20px rgb(0 0 0 / 21%), inset -4px -4px 8px transparent, inset 4px 4px 8px transparent;
	}
	
	&:after {
		content:"";
		position: absolute;
		top: -20px;
		left: 50%;
		transform: translate(-50%);
		height: 6px;
		width: 6px;
		background-color: #CFCFCF;
		border-radius: 50%;
		box-shadow: -4px -4px 3px -4px rgb(0 0 0 / 20%) inset;
		transition: transform 0.4s cubic-bezier(.47,1.64,.41,.8), background-color 0.3s ease-in-out 0s;
	}
}

.nav__btn:active,
.nav__btn:focus-visible,
.nav__btn.active
{
	transform: translateY(2px);
	&:before {
		filter: blur(2.5px);
		box-shadow: -9px -13px 26px rgb(0 0 0 / 16%), 9px 13px 20px 6px rgb(0 0 0 / 20%) inset, rgb(255 255 255 / 100%) -20px -30px 20px -8px inset, 15px 20px 20px rgb(255 255 255 / 5%), inset -4px -4px 8px transparent, inset 4px 4px 8px transparent;
	}
	&:after {
		transform: translateY(-2px) translateX(-50%);
		box-shadow: -4px -4px 3px -4px rgb(0 0 0 / 0) inset;
		background-color: rgb(22 180 255);
		transition: transform 0.4s cubic-bezier(.47,1.64,.41,.8), background-color 0.2s ease-in-out .2s;
	}
}

.icon {
	width: 34px;
	height: 34px;
	fill: none;
	stroke: #FFF;
	pointer-events: none;
	transition: fill 0.25s ease;
	stroke-width: 2;
	position: relative;
	left: -1px;
	top: -1px;
	z-index: 2;
	transition: transform 0.4s cubic-bezier(.47,1.64,.41,.8);
	path, circle, rect {
		stroke: rgba(255,255,255,0.9);
		stroke-width: 2;
		transition: stroke 0.3s ease-in-out 0s;
	}
}

.nav__btn:active,
.nav__btn:focus-visible,
.nav__btn.active {
	.icon {
		transform: scale(0.9);
		filter: drop-shadow(0px 0px 8px rgba(160,200,255,0.9));
		path, circle, rect {
			stroke: rgb(22 180 255);
			transition: stroke 0.2s ease-in-out 0.2s;
		}
	}
}

.nav__btn {
	-webkit-tap-highlight-color: transparent;
}

const buttons  = document.querySelectorAll('.nav__btn');

const inSound  = new Audio('http://soundbible.com/grab.php?id=1280&type=mp3');
const outSound = new Audio('http://soundbible.com/grab.php?id=1294&type=mp3');

[inSound, outSound].forEach(a => {
	a.preload = 'auto';
	a.volume  = 0.03;
});

buttons.forEach(btn => {
	
	// on click add active class & play sound effect
	btn.addEventListener('click', () => {
		if (btn.classList.contains('active')) {
			btn.classList.remove('active');
			outSound.currentTime = 0;
			outSound.play().catch(() => {});
		} else {
			const otherActiveButtons = [...buttons].filter(b => b !== btn && b.classList.contains('active'));

btn.classList.add('active');
			inSound.currentTime = 0;
			inSound.play().catch(() => {});

if (otherActiveButtons.length > 0) {
				setTimeout(() => {
					otherActiveButtons.forEach(b => b.classList.remove('active'));
					outSound.currentTime = 0;
					outSound.play().catch(() => {});
				}, 240);
			}
		}
	});

// CSS focus only & play sound effect
	//   btn.addEventListener('pointerdown', () => {
	//     inSound.currentTime = 0;
	//     inSound.play().catch(() => {});
	// 		btn.classList.add('active');
	//   });

//   btn.addEventListener('pointerup', () => {
	//     outSound.currentTime = 0;
	//     outSound.play().catch(() => {});
	//   });
});