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Merge pull request #755 from NithinU2802/feature/form-handling
To add form handling using only css
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‎CSS-Form-Handling/form-preview.png‎

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‎CSS-Form-Handling/index.html‎

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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>CSS-Only Form</title>
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<link rel="stylesheet" href="styles.css">
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</head>
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<body>
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<div class="container">
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<div class="form-container">
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<h1>CSS-Only Account Signup</h1>
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<p class="subtitle">An interactive form validation — zero JavaScript, pure CSS.</p>
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<!-- Success Message (Hidden by default) -->
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<div class="success-popup" id="success">
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<div class="popup-content">
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<h2>🎉 Account Created Successfully!</h2>
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<p>Welcome! Your account has been created and you're ready to get started.</p>
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<a href="./index.html" class="close-btn">Create Another Account</a>
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</div>
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</div>
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<form class="validation-form" action="#success" method="GET">
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<!-- Name Field -->
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<div class="input-group">
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<label for="name">Full Name <span class="required">*</span></label>
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<input
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type="text"
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id="name"
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name="name"
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required
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minlength="2"
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pattern="[A-Z][A-Za-z\s]{2,}"
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placeholder="Enter your full name"
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/>
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<div class="error-message">Please enter a valid name (first letter need to be capital, letters only, minimum 2 letters required)</div>
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</div>
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<!-- Email Field -->
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<div class="input-group">
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<label for="email">Email Address <span class="required">*</span></label>
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<input
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type="email"
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id="email"
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name="email"
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pattern="^[a-zA-Z0-9._%+-]+@(?:[a-zA-Z0-9-]+\.)+[a-zA-Z]{2,}$"
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required
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placeholder="Enter your email address"
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/>
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<div class="error-message">Please enter a valid email address</div>
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</div>
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<!-- Phone Field -->
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<div class="input-group">
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<label for="phone">Phone Number <span class="required">*</span></label>
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<input
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type="tel"
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id="phone"
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name="phone"
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required
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pattern="^(\d{3}-\d{3}-\d{4}|\d{10})$"
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placeholder="435-837-2847"
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/>
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<div class="error-message">Please enter a valid phone number in the format XXX-XXX-XXXX</div>
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</div>
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<!-- Password Field -->
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<div class="input-group">
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<label for="password">Password <span class="required">*</span></label>
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<input
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type="password"
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id="password"
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name="password"
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required
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minlength="6"
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placeholder="Enter your password"
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/>
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<div class="error-message">Password must be at least 6 characters long</div>
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</div>
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<!-- Terms Checkbox -->
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<div class="checkbox-group">
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<input type="checkbox" id="terms" name="terms" required>
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<label for="terms">
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I agree to the <a href="#" target="_blank">Terms and Conditions</a> <span class="required">*</span>
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</label>
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</div>
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<!-- Submit Button -->
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<button type="submit" class="submit-button">
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Create Account
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</button>
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</form>
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</div>
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</div>
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</body>
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</html>

‎CSS-Form-Handling/styles.css‎

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@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&display=swap');
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* { margin: 0; padding: 0; box-sizing: border-box; }
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body {
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font-family: 'Inter', sans-serif;
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background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
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min-height: 100vh;
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display: flex;
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align-items: center;
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justify-content: center;
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padding: 20px;
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}
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.container { width: 100%; max-width: 500px; }
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.form-container {
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background: white;
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padding: 40px;
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border-radius: 12px;
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box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
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}
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h1 { text-align: center; color: #374151; font-size: 28px; font-weight: 600; margin-bottom: 8px; }
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.subtitle { text-align: center; color: #6b7280; margin-bottom: 32px; font-size: 16px; }
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.validation-form { display: flex; flex-direction: column; gap: 20px; }
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.input-group, .checkbox-group { display: flex; flex-direction: column; gap: 6px; }
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.checkbox-group { flex-direction: row; align-items: flex-start; gap: 12px; }
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label { font-weight: 500; color: #374151; font-size: 14px; }
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.required { color: #dc2626; }
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input[type="text"], input[type="email"], input[type="tel"], input[type="password"] {
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padding: 12px 16px;
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border: 2px solid #d1d5db;
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border-radius: 8px;
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font-size: 16px;
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transition: all 0.2s ease;
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outline: none;
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}
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input[type="checkbox"] { width: 18px; height: 18px; accent-color: #4f46e5; cursor: pointer; margin-top: 2px; }
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.checkbox-group label { cursor: pointer; line-height: 1.5; }
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/* Focus and Validation States */
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input:focus { border-color: #4f46e5; box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1); }
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input:valid:not(:placeholder-shown) { border-color: #059669; }
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input:invalid:not(:focus):not(:placeholder-shown) { border-color: #dc2626; }
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/* Error Messages - only show when field is invalid and touched */
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.error-message {
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color: #dc2626;
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font-size: 14px;
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font-weight: 500;
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display: none;
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margin-top: 4px;
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}
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.input-group input:invalid:not(:focus):not(:placeholder-shown) + .error-message { display: block; }
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/* Submit Button */
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.submit-button {
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background: #4f46e5;
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color: white;
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border: none;
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padding: 14px 24px;
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border-radius: 8px;
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font-size: 16px;
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font-weight: 600;
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cursor: pointer;
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transition: all 0.2s ease;
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margin-top: 12px;
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}
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.submit-button:hover { background: #3730a3; transform: translateY(-1px); }
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.submit-button:active { transform: translateY(0); }
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/* Disable submit when form invalid */
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.validation-form:invalid .submit-button {
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background: #9ca3af;
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cursor: not-allowed;
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transform: none;
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}
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/* Success Popup */
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.success-popup {
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position: fixed;
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top: 0;
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left: 0;
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width: 100%;
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height: 100%;
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background: rgba(0, 0, 0, 0.5);
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display: none;
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align-items: center;
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justify-content: center;
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z-index: 1000;
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}
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.success-popup:target { display: flex; }
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.popup-content {
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background: white;
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padding: 40px;
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border-radius: 12px;
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text-align: center;
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max-width: 400px;
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margin: 20px;
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box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
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}
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.popup-content h2 { color: #059669; margin-bottom: 16px; font-size: 24px; }
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.popup-content p { color: #374151; line-height: 1.6; margin-bottom: 20px; }
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.close-btn {
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display: inline-block;
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background: #4f46e5;
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color: white;
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padding: 10px 20px;
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border-radius: 6px;
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text-decoration: none;
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font-weight: 500;
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transition: all 0.2s ease;
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}
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.close-btn:hover { background: #3730a3; transform: translateY(-1px); }
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/* Links */
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a { color: #4f46e5; text-decoration: none; }
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a:hover { text-decoration: underline; }
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/* Responsive */
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@media (max-width: 640px) {
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.form-container { padding: 24px; margin: 10px; }
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h1 { font-size: 24px; }
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.subtitle { font-size: 14px; }
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}

‎README.md‎

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- [City Animation Footer](#city-animation-footer)
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- [Carousel Effect](#carousel-effect)
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- [Counter of Checked Checkboxes](#counter-of-checked-check-boxes)
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- [CSS Form Handling](#css-form-handling)
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- [Download_buttons](#Download_buttons)
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- [Dog Box Animation](#dog-box-animation)
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- [Dropdown Menu](#dropdown-menu)
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---
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## <a id="css-form-handling"></a>CSS Form Handling
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[<img src="images/form-preview.png" height="230" title="CSS Form Handling">](CSS-Form-Handling/)
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**[⬆ back to top](#quick-links)**
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## <a id="Download_buttons"></a>Download_buttons
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[<img src="images/Download_buttons.png" title="Download_buttons">](https://codepen.io/Shail-Sharma-the-animator/pen/rNXYMGx)
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**[⬆ back to top](#quick-links)**
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---
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## <a id="Download_buttons"></a>Download buttons
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[<img src="images/Download_buttons.png" title="Download_buttons">](https://codepen.io/Shail-Sharma-the-animator/pen/rNXYMGx)

‎images/form-preview.png‎

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