图片密码长度（image password strength）

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示例

代码

HTML

<div class="background" id="background"></div>

<div class="bg-white rounded p-10 text-center shadow-md">
	<h1 class="text-3xl">Image Password Strength</h1>
	<p class="text-sm text-gray-700">Change the password to see the effect</p>
	<div class="my-4 text-left">
		<label class="text-gray-800">Email:</label>
		<input type="email" class="border block w-full p-2 mt-2 rounded" placeholder="Enter email..." />
	</div>
	<div class="my-4 text-left">
		<label class="text-gray-800">Password:</label>
		<input id="password" type="password" class="border block w-full p-2 mt-2 rounded" placeholder="Enter password..." />
	</div>
</div>

<!-- SOCIAL PANEL HTML -->
<div class="social-panel-container">
	<div class="social-panel">
		<p>Created with <i class="fa fa-heart"></i> by
			<a target="_blank" href="https://florin-pop.com">Florin Pop</a></p>
		<button class="close-btn"><i class="fas fa-times"></i></button>
		<h4>Get in touch on</h4>
		<ul>
			<li>
				<a href="https://www.patreon.com/florinpop17" target="_blank">
					<i class="fab fa-discord"></i>
				</a>
			</li>
			<li>
				<a href="https://twitter.com/florinpop1705" target="_blank">
					<i class="fab fa-twitter"></i>
				</a>
			</li>
			<li>
				<a href="https://linkedin.com/in/florinpop17" target="_blank">
					<i class="fab fa-linkedin"></i>
				</a>
			</li>
			<li>
				<a href="https://facebook.com/florinpop17" target="_blank">
					<i class="fab fa-facebook"></i>
				</a>
			</li>
			<li>
				<a href="https://instagram.com/florinpop17" target="_blank">
					<i class="fab fa-instagram"></i>
				</a>
			</li>
		</ul>
	</div>
</div>
<button class="floating-btn">
	Get in Touch
</button>

<div class="floating-text">
	Part of <a href="https://florin-pop.com/blog/2019/09/100-days-100-projects" target="_blank">#100Days100Projects</a>
</div>

CSS

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

* {
	box-sizing: border-box;
}

body {
	font-family: 'Muli', sans-serif;
	display: flex;
	align-items: center;
	justify-content: center;
	height: 100vh;
	margin: 0;
	overflow: hidden;
}

.background {
	background-image: url('https://images.unsplash.com/photo-1556745757-8d76bdb6984b');
	background-repeat: no-repeat;
	background-size: cover;
	background-position: center center;
	position: absolute;
	top: -20px;
	left: -20px;
	bottom: -20px;
	right: -20px;
	filter: blur(20px);
	z-index: -1;
}


/* SOCIAL PANEL CSS */
.social-panel-container {
	position: fixed;
	right: 0;
	bottom: 80px;
	transform: translateX(100%);
	transition: transform 0.4s ease-in-out;
}

.social-panel-container.visible {
	transform: translateX(-10px);
}

.social-panel {	
	background-color: #fff;
	border-radius: 16px;
	box-shadow: 0 16px 31px -17px rgba(0,31,97,0.6);
	border: 5px solid #001F61;
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	font-family: 'Muli';
	position: relative;
	height: 169px;	
	width: 370px;
	max-width: calc(100% - 10px);
}

.social-panel button.close-btn {
	border: 0;
	color: #97A5CE;
	cursor: pointer;
	font-size: 20px;
	position: absolute;
	top: 5px;
	right: 5px;
}

.social-panel button.close-btn:focus {
	outline: none;
}

.social-panel p {
	background-color: #001F61;
	border-radius: 0 0 10px 10px;
	color: #fff;
	font-size: 14px;
	line-height: 18px;
	padding: 2px 17px 6px;
	position: absolute;
	top: 0;
	left: 50%;
	margin: 0;
	transform: translateX(-50%);
	text-align: center;
	width: 235px;
}

.social-panel p i {
	margin: 0 5px;
}

.social-panel p a {
	color: #FF7500;
	text-decoration: none;
}

.social-panel h4 {
	margin: 20px 0;
	color: #97A5CE;	
	font-family: 'Muli';	
	font-size: 14px;	
	line-height: 18px;
	text-transform: uppercase;
}

.social-panel ul {
	display: flex;
	list-style-type: none;
	padding: 0;
	margin: 0;
}

.social-panel ul li {
	margin: 0 10px;
}

.social-panel ul li a {
	border: 1px solid #DCE1F2;
	border-radius: 50%;
	color: #001F61;
	font-size: 20px;
	display: flex;
	justify-content: center;
	align-items: center;
	height: 50px;
	width: 50px;
	text-decoration: none;
}

.social-panel ul li a:hover {
	border-color: #FF6A00;
	box-shadow: 0 9px 12px -9px #FF6A00;
}

.floating-btn {
	border-radius: 26.5px;
	background-color: #001F61;
	border: 1px solid #001F61;
	box-shadow: 0 16px 22px -17px #03153B;
	color: #fff;
	cursor: pointer;
	font-size: 16px;
	line-height: 20px;
	padding: 12px 20px;
	position: fixed;
	bottom: 20px;
	right: 20px;
	z-index: 999;
}

.floating-btn:hover {
	background-color: #ffffff;
	color: #001F61;
}

.floating-btn:focus {
	outline: none;
}

.floating-text {
	background-color: #001F61;
	border-radius: 10px 10px 0 0;
	color: #fff;
	font-family: 'Muli';
	padding: 7px 15px;
	position: fixed;
	bottom: 0;
	left: 50%;
	transform: translateX(-50%);
	text-align: center;
	z-index: 998;
}

.floating-text a {
	color: #FF7500;
	text-decoration: none;
}

@media screen and (max-width: 480px) {

	.social-panel-container.visible {
		transform: translateX(0px);
	}
	
	.floating-btn {
		right: 10px;
	}
}

JS

const password = document.getElementById('password');
const background = document.getElementById('background');

password.addEventListener('input', (e) => {
	const input = e.target.value;
	const length = input.length;
	const blurValue = 20 - length * 2;
	const blur = `blur(${blurValue}px)`;
	background.style.filter = blur;
});

// SOCIAL PANEL JS
const floating_btn = document.querySelector('.floating-btn');
const close_btn = document.querySelector('.close-btn');
const social_panel_container = document.querySelector('.social-panel-container');

floating_btn.addEventListener('click', () => {
	social_panel_container.classList.toggle('visible')
});

close_btn.addEventListener('click', () => {
	social_panel_container.classList.remove('visible')
});