<link href="https://fonts.googleapis.com/css2?family=Libre+Barcode+39+Text&display=swap" rel="stylesheet">

<button class="noselect">Barcode</button>
* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;

body {
	height: 100vh;
	overflow: hidden;
	display: flex;
	align-items: center;
	justify-content: center;
	background-color: #f9ea8f;
	background-image: linear-gradient(315deg, #f9ea8f 0%, #aff1da 74%);

.noselect {
  -webkit-touch-callout: none;
    -webkit-user-select: none;
     -khtml-user-select: none;
       -moz-user-select: none;
        -ms-user-select: none;
            user-select: none;
		-webkit-tap-highlight-color: transparent;

button {
	cursor: pointer;
	font-family: 'Libre Barcode 39 Text', cursive;
	font-size: 40px;
	background: none;
	border: none;

button:before {
	content: '';
	position: absolute;
	width: 150px;
	height: 5px;
	transform: translateX(-3px) translateY(-5px);
	background: rgba(255,0,0,0.0);
	transition: 500ms;

button:hover:before {
	animation: line 500ms forwards;

button:hover {
	animation: blink 500ms 300ms;

@keyframes line {
	from { background: rgba(255,0,0,0.8);}
	to {
		background: rgba(255,0,0,0.8);
		transform: translateX(-3px) translateY(38px);

@keyframes blink {
	from {color: #eee;}
	to {color: black;}

button:focus {
	outline: none;

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

This Pen doesn't use any external JavaScript resources.