FloatingPlaceholder/style.css at master · SebaBoler/FloatingPlaceholder · GitHub

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@import url('https://fonts.googleapis.com/css?family=Open+Sans&display=swap');

* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
	outline: none;
	font-family: 'Open+Sans';
}

body {
	display: flex;
	justify-content: center;
	align-items: center;
	min-height: 100vh;
	background: #111;
}

.container {
	position: relative;
	width: 500px;
	padding: 40px;
	background: #151515;
}

.container h2 {
	color: #555;
	margin-bottom: 45px;
}

.input-field {
	position: relative;
	height: 40px;
	width: 100%;
}

.input-field input[type="text"] {
	position: absolute;
	background: transparent;
	border: none;
	box-shadow: none;
	color: white;
	font-size: 16px;
	width: 100%;
}

.input-field label {
	position: absolute;
	top: 0;
	left: 0;
	color: #555;
	pointer-events: none;
	display: block;
	transition: 0.5s;
}

.input-field input[type="text"]:focus + label,
.input-field input[type="text"]:valid + label {
	transform: translateY(-35px);
	font-size: 14px;
	color: white;
	background: gold;
	padding: 2px 6px;
}

.input-field span {
	position: absolute;
	bottom: 0;
	right: 0;
	display: block;
	background: #555;
	width: 100%;
	height: 2px;
}