How to Make SignIn and SignUp Form

Creating a Sign-In and Sign-Up form using HTML, CSS, and JavaScript involves designing the form layout, styling it with CSS, and adding functionality with JavaScript to switch between the Sign-In and Sign-Up forms. Here’s a step-by-step guide:

HTML

<!DOCTYPE html>
<html lang="en" dir="ltr">

<head>
  <meta charset="utf-8">
  <title>Login</title>
  <link rel="stylesheet" href="style.css">
  <link href="https://fonts.googleapis.com/css?family=Arvo" rel="stylesheet">
    <link rel='stylesheet' href='https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.14.0/css/all.min.css'>
</head>

<body>


<div class="container" id="container">
    <div class="form-container sign-up-container">
        <form action="#">
            <h1>Create Account</h1>
            <div class="social-container">
                <a href="#" class="social"><i class="fab fa-facebook-f"></i></a>
                <a href="#" class="social"><i class="fab fa-google-plus-g"></i></a>
                <a href="#" class="social"><i class="fab fa-linkedin-in"></i></a>
            </div>
            <span>or use your email for registration</span>
            <input type="text" placeholder="Name" />
            <input type="email" placeholder="Email" />
            <input type="password" placeholder="Password" />
            <button>Sign Up</button>
        </form>
    </div>
    <div class="form-container sign-in-container">
        <form action="#">
            <h1>Sign in</h1>
            <div class="social-container">
                <a href="#" class="social"><i class="fab fa-facebook-f"></i></a>
                <a href="#" class="social"><i class="fab fa-google-plus-g"></i></a>
                <a href="#" class="social"><i class="fab fa-linkedin-in"></i></a>
            </div>
            <span>or use your account</span>
            <input type="email" placeholder="Email" />
            <input type="password" placeholder="Password" />
            <a href="#">Forgot your password?</a>
            <button>Sign In</button>
        </form>
    </div>
    <div class="overlay-container">
        <div class="overlay">
            <div class="overlay-panel overlay-left">
                <h1>Welcome Back!</h1>
                <p>To keep connected with us please login with your personal details</p>
                <button class="ghost" id="signIn">Sign In</button>
            </div>
            <div class="overlay-panel overlay-right">
                <h1>Hi There!</h1>
                <p>Enter your personal details to open an account with us</p>
                <button class="ghost" id="signUp">Sign Up</button>
            </div>
        </div>
    </div>
</div>

<script src="script.js" charset="utf-8"></script>
</body>

</html>

CSS (styles.css)

@import url('https://fonts.googleapis.com/css?family=Montserrat:400,800');

* {
    box-sizing: border-box;
}

body {
    background: #f6f5f7;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    font-family: 'Montserrat', sans-serif;
    height: 100vh;
    margin: -20px 0 50px;
}

h1 {
    font-weight: bold;
    margin: 0;
}

h2 {
    text-align: center;
}

p {
    font-size: 14px;
    font-weight: 100;
    line-height: 20px;
    letter-spacing: 0.5px;
    margin: 20px 0 30px;
}

span {
    font-size: 12px;
}

a {
    color: #333;
    font-size: 14px;
    text-decoration: none;
    margin: 15px 0;
}

button {
    border-radius: 20px;
    border: 1px solid #F2eee3;
    background-color: #F2eee3;
    color: black;
    font-size: 12px;
    font-weight: bold;
    padding: 12px 45px;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: transform 80ms ease-in;
    border-color: red;
}

button:active {
    transform: scale(0.95);
}

button:focus {
    outline: none;
}

button.ghost {
    background-color: transparent;
    border-color: red;
}

form {
    background-color: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    padding: 0 50px;
    height: 100%;
    text-align: center;
}

input {
    background-color: #f2eee3;
    border: none;
    padding: 12px 15px;
    margin: 8px 0;
    width: 100%;
}

.container {
    background-color: #fff;
    border-radius: 10px;
  	box-shadow: 0 14px 28px rgba(0,0,0,0.25),
            0 10px 10px rgba(0,0,0,0.22);
    position: relative;
    overflow: hidden;
    width: 768px;
    max-width: 100%;
    min-height: 480px;
}

.form-container {
    position: absolute;
    top: 0;
    height: 100%;
    transition: all 0.6s ease-in-out;
}

.sign-in-container {
    left: 0;
    width: 50%;
    z-index: 2;
}

.container.right-panel-active .sign-in-container {
    transform: translateX(100%);
}

.sign-up-container {
    left: 0;
    width: 50%;
    opacity: 0;
    z-index: 1;
}

.container.right-panel-active .sign-up-container {
    transform: translateX(100%);
    opacity: 1;
    z-index: 5;
    animation: show 0.6s;
}

@keyframes show {
    0%, 49.99% {
        opacity: 0;
        z-index: 1;
    }

    50%, 100% {
        opacity: 1;
        z-index: 5;
    }
}

.overlay-container {
    position: absolute;
    top: 0;
    left: 50%;
    width: 50%;
    height: 100%;
    overflow: hidden;
    transition: transform 0.6s ease-in-out;
    z-index: 100;
}

.container.right-panel-active .overlay-container{
    transform: translateX(-100%);
}

.overlay {
    background: #F2eee3;
    background: -webkit-linear-gradient(to right, #F2eee3, #e7d4c5);
    background: linear-gradient(to right, #F2eee3, #e7d4c5);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: 0 0;
    color: black;
    position: relative;
    left: -100%;
    height: 100%;
    width: 200%;
  	transform: translateX(0);
    transition: transform 0.6s ease-in-out;
}

.container.right-panel-active .overlay {
  	transform: translateX(50%);
}

.overlay-panel {
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    padding: 0 40px;
    text-align: center;
    top: 0;
    height: 100%;
    width: 50%;
    transform: translateX(0);
    transition: transform 0.6s ease-in-out;
}

.overlay-left {
    transform: translateX(-20%);
}

.container.right-panel-active .overlay-left {
    transform: translateX(0);
}

.overlay-right {
    right: 0;
    transform: translateX(0);
}

.container.right-panel-active .overlay-right {
    transform: translateX(20%);
}

.social-container {
    margin: 20px 0;
}

.social-container a {
    border: 1px solid red;
    border-radius: 50%;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    margin: 0 5px;
    height: 40px;
    width: 40px;
    background: #f2eee3;
}

JavaScript (script.js)

const signUpButton = document.getElementById('signUp');
const signInButton = document.getElementById('signIn');
const container = document.getElementById('container');

signUpButton.addEventListener('click', () => {
    container.classList.add("right-panel-active");
});

signInButton.addEventListener('click', () => {
    container.classList.remove("right-panel-active");
});

Explanation

1. HTML Structure:
   • The HTML includes two forms, one for sign-up and one for sign-in, each within its own container.
   • There is also an overlay container that switches between sign-in and sign-up prompts.
2. CSS Styling:
   • Basic reset and styling for the body and container.
   • The forms and overlay panels are styled and positioned using absolute positioning.
   • Transitions are used to animate the switching between sign-in and sign-up forms.
3. JavaScript Functionality:
   • The JavaScript listens for clicks on the “Sign Up” and “Sign In” buttons to add or remove the right-panel-active class on the container, which triggers the CSS transitions to switch forms.

This setup provides a smooth transition between Sign-In and Sign-Up forms, making for a user-friendly experience.