Responsive Animated Login Form Using HTML & CSS & JavaScript

In this tutorial, you will learn how to create a responsive animated login form using HTML & CSS & JavaScript? You will learn how to create an AMAZING Responsive Login form with an awesome design and a floating placeholder, as well as a gradient login button hover effect.

To create a responsive animated login form using HTML & CSS & JavaScript, you need to create three files: HTML, CSS & JavaScript file. Once you create these files, just paste the given codes into your file.

Full Source Code:

HTML File:

<!DOCTYPE html>
<html>
<head>
	<title>Animated Login Form</title>
	<link rel="stylesheet" type="text/css" href="css/style.css">
	<link href="https://fonts.googleapis.com/css?family=Poppins:600&display=swap" rel="stylesheet">
	<script src="https://kit.fontawesome.com/a81368914c.js"></script>
	<meta name="viewport" content="width=device-width, initial-scale=1">
</head>
<body>
	<img class="wave" src="img/wave.png">
	<div class="container">
		<div class="img">
			<img src="img/bg.svg">
		</div>
		<div class="login-content">
			<form action="index.html">
				<img src="img/avatar.svg">
				<h2 class="title">Welcome</h2>
           		<div class="input-div one">
           		   <div class="i">
           		   		<i class="fas fa-user"></i>
           		   </div>
           		   <div class="div">
           		   		<h5>Username</h5>
           		   		<input type="text" class="input">
           		   </div>
           		</div>
           		<div class="input-div pass">
           		   <div class="i"> 
           		    	<i class="fas fa-lock"></i>
           		   </div>
           		   <div class="div">
           		    	<h5>Password</h5>
           		    	<input type="password" class="input">
            	   </div>
            	</div>
            	<a href="#">Forgot Password?</a>
            	<input type="submit" class="btn" value="Login">
            </form>
        </div>
    </div>
    <script type="text/javascript" src="js/main.js"></script>
</body>
</html>

CSS File:

*{
	padding: 0;
	margin: 0;
	box-sizing: border-box;
}

body{
    font-family: 'Poppins', sans-serif;
    overflow: hidden;
}

.wave{
	position: fixed;
	bottom: 0;
	left: 0;
	height: 100%;
	z-index: -1;
}

.container{
    width: 100vw;
    height: 100vh;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-gap :7rem;
    padding: 0 2rem;
}

.img{
	display: flex;
	justify-content: flex-end;
	align-items: center;
}

.login-content{
	display: flex;
	justify-content: flex-start;
	align-items: center;
	text-align: center;
}

.img img{
	width: 500px;
}

form{
	width: 360px;
}

.login-content img{
    height: 100px;
}

.login-content h2{
	margin: 15px 0;
	color: #333;
	text-transform: uppercase;
	font-size: 2.9rem;
}

.login-content .input-div{
	position: relative;
    display: grid;
    grid-template-columns: 7% 93%;
    margin: 25px 0;
    padding: 5px 0;
    border-bottom: 2px solid #d9d9d9;
}

.login-content .input-div.one{
	margin-top: 0;
}

.i{
	color: #d9d9d9;
	display: flex;
	justify-content: center;
	align-items: center;
}

.i i{
	transition: .3s;
}

.input-div > div{
    position: relative;
	height: 45px;
}

.input-div > div > h5{
	position: absolute;
	left: 10px;
	top: 50%;
	transform: translateY(-50%);
	color: #999;
	font-size: 18px;
	transition: .3s;
}

.input-div:before, .input-div:after{
	content: '';
	position: absolute;
	bottom: -2px;
	width: 0%;
	height: 2px;
	background-color: #38d39f;
	transition: .4s;
}

.input-div:before{
	right: 50%;
}

.input-div:after{
	left: 50%;
}

.input-div.focus:before, .input-div.focus:after{
	width: 50%;
}

.input-div.focus > div > h5{
	top: -5px;
	font-size: 15px;
}

.input-div.focus > .i > i{
	color: #38d39f;
}

.input-div > div > input{
	position: absolute;
	left: 0;
	top: 0;
	width: 100%;
	height: 100%;
	border: none;
	outline: none;
	background: none;
	padding: 0.5rem 0.7rem;
	font-size: 1.2rem;
	color: #555;
	font-family: 'poppins', sans-serif;
}

.input-div.pass{
	margin-bottom: 4px;
}

a{
	display: block;
	text-align: right;
	text-decoration: none;
	color: #999;
	font-size: 0.9rem;
	transition: .3s;
}

a:hover{
	color: #38d39f;
}

.btn{
	display: block;
	width: 100%;
	height: 50px;
	border-radius: 25px;
	outline: none;
	border: none;
	background-image: linear-gradient(to right, #32be8f, #38d39f, #32be8f);
	background-size: 200%;
	font-size: 1.2rem;
	color: #fff;
	font-family: 'Poppins', sans-serif;
	text-transform: uppercase;
	margin: 1rem 0;
	cursor: pointer;
	transition: .5s;
}
.btn:hover{
	background-position: right;
}


@media screen and (max-width: 1050px){
	.container{
		grid-gap: 5rem;
	}
}

@media screen and (max-width: 1000px){
	form{
		width: 290px;
	}

	.login-content h2{
        font-size: 2.4rem;
        margin: 8px 0;
	}

	.img img{
		width: 400px;
	}
}

@media screen and (max-width: 900px){
	.container{
		grid-template-columns: 1fr;
	}

	.img{
		display: none;
	}

	.wave{
		display: none;
	}

	.login-content{
		justify-content: center;
	}
}

JavaScript File:

const inputs = document.querySelectorAll(".input");


function addcl(){
	let parent = this.parentNode.parentNode;
	parent.classList.add("focus");
}

function remcl(){
	let parent = this.parentNode.parentNode;
	if(this.value == ""){
		parent.classList.remove("focus");
	}
}


inputs.forEach(input => {
	input.addEventListener("focus", addcl);
	input.addEventListener("blur", remcl);
});

This tutorial provides simple steps and code to help you create a responsive animated login form using HTML & CSS & JavaScript

Download code and image : https://github.com/sefyudem/Responsive-Login-Form

Subscribe: https://www.youtube.com/@TrueCoder/featured

#html #css #javascript