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How to create a responsive login form with CSS?

CSS Web Development Front End Technology

A responsive login form adapts to different screen sizes and provides an optimal user experience across all devices. This form typically includes fields for username and password, a login button, "Remember Me" checkbox, and a forgot password link. Let's create a responsive login form using CSS media queries and flexible layouts.

Syntax

/* Basic form styling */
form {
    max-width: value;
    margin: auto;
    padding: value;
}

/* Responsive breakpoints */
@media screen and (max-width: value) {
    /* Mobile styles */
}

Form Structure

The login form consists of several key components −

<form>
    <div class="profilePic">
        <img src="avatar.png" alt="Avatar" class="avatar" />
    </div>
    <div class="formFields">
        <label for="username">Username</label>
        <input type="text" name="username" required />
        <label for="password">Password</label>
        <input type="password" name="password" required />
        <button type="submit">Login</button>
        <label><input type="checkbox" /> Remember me</label>
    </div>
</form>

Avatar Image Styling

The avatar image is centered and styled with rounded corners −

.profilePic {
    text-align: center;
    margin: 24px 0 12px 0;
}

img.avatar {
    width: 150px;
    height: 150px;
    border-radius: 50%;
}

Input Fields and Button Styling

Style the input fields and button for better usability −

input[type="text"],
input[type="password"] {
    width: 100%;
    padding: 12px 20px;
    margin: 8px 0;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-sizing: border-box;
    font-size: 16px;
}

button {
    background-color: #4CAF50;
    color: white;
    padding: 14px 20px;
    margin: 8px 0;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    width: 100%;
    font-size: 16px;
}

button:hover {
    background-color: #45a049;
}

Media Queries for Responsiveness

Use media queries to adjust the layout for smaller screens −

@media screen and (max-width: 768px) {
    form {
        margin: 10px;
    }
    
    img.avatar {
        width: 100px;
        height: 100px;
    }
    
    input[type="text"],
    input[type="password"] {
        font-size: 14px;
    }
}

@media screen and (max-width: 300px) {
    span.pass {
        display: block;
        float: none;
        text-align: center;
    }
}

Example

Here's a complete responsive login form example −

<!DOCTYPE html>
<html>
<head>
<style>
    body {
        font-family: Arial, sans-serif;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        margin: 0;
        padding: 20px;
        min-height: 100vh;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    form {
        background: white;
        border-radius: 10px;
        box-shadow: 0 15px 35px rgba(0,0,0,0.1);
        max-width: 400px;
        width: 100%;
        overflow: hidden;
    }
    
    .profilePic {
        text-align: center;
        padding: 30px 0 20px 0;
        background: #f8f9fa;
    }
    
    img.avatar {
        width: 120px;
        height: 120px;
        border-radius: 50%;
        border: 4px solid white;
        box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    }
    
    .formFields {
        padding: 30px;
    }
    
    label {
        display: block;
        margin-bottom: 5px;
        color: #333;
        font-weight: bold;
    }
    
    input[type="text"],
    input[type="password"] {
        width: 100%;
        padding: 12px;
        margin-bottom: 20px;
        border: 2px solid #e1e1e1;
        border-radius: 5px;
        box-sizing: border-box;
        font-size: 16px;
        transition: border-color 0.3s ease;
    }
    
    input[type="text"]:focus,
    input[type="password"]:focus {
        outline: none;
        border-color: #667eea;
    }
    
    button {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        color: white;
        padding: 12px;
        border: none;
        border-radius: 5px;
        cursor: pointer;
        width: 100%;
        font-size: 16px;
        font-weight: bold;
        transition: transform 0.2s ease;
    }
    
    button:hover {
        transform: translateY(-2px);
    }
    
    .checkbox-container {
        margin: 20px 0;
    }
    
    .forgot-password {
        text-align: center;
        margin-top: 20px;
    }
    
    .forgot-password a {
        color: #667eea;
        text-decoration: none;
    }
    
    @media screen and (max-width: 480px) {
        body {
            padding: 10px;
        }
        
        .formFields {
            padding: 20px;
        }
        
        img.avatar {
            width: 80px;
            height: 80px;
        }
    }
</style>
</head>
<body>
    <form>
        <div class="profilePic">
            <img src="https://cdn.pixabay.com/photo/2016/08/08/09/17/avatar-1577909_960_720.png" alt="Avatar" class="avatar" />
        </div>
        <div class="formFields">
            <label for="username">Username</label>
            <input type="text" placeholder="Enter your username" name="username" required />
            
            <label for="password">Password</label>
            <input type="password" placeholder="Enter your password" name="password" required />
            
            <button type="submit">Login</button>
            
            <div class="checkbox-container">
                <label>
                    <input type="checkbox" name="remember" /> Remember me
                </label>
            </div>
            
            <div class="forgot-password">
                <a href="#">Forgot your password?</a>
            </div>
        </div>
    </form>
</body>
</html>

A centered login form with a gradient background appears. The form has a white background with rounded corners and shadow. It includes an avatar image, username and password fields with focus effects, a gradient login button, remember me checkbox, and forgot password link. The form adapts to smaller screens by reducing padding and avatar size.

Conclusion

Creating a responsive login form requires proper use of CSS media queries, flexible layouts, and touch-friendly input sizes. The key is ensuring the form remains functional and visually appealing across all device sizes while maintaining good usability standards.

Updated on: 2026-03-15T14:34:40+05:30

3K+ Views

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