Animated Cookie Consent Banner

snippet.publishedOn August 22, 2025 Beginner

Modern cookie consent banner with smooth animations and customizable options, perfect for GDPR and privacy compliance.

Live Preview

Code Implementation

HTML

<div class="cookie-consent-demo">
  <button class="show-banner-btn" id="showBannerBtn">Show Cookie Banner</button>
</div>

<div class="cookie-consent-banner" id="cookieConsentBanner">
  <div class="banner-content">
    <div class="banner-text">
      <h4>We use cookies</h4>
      <p>We use cookies to improve your experience and for marketing purposes. By continuing to use our site, you consent to our cookie policy.</p>
    </div>
    <div class="banner-actions">
      <button class="btn btn-secondary" id="rejectCookies">Reject</button>
      <button class="btn btn-primary" id="acceptCookies">Accept All</button>
      <button class="btn btn-outline" id="customizeCookies">Customize</button>
    </div>
  </div>
  
  <div class="customization-panel" id="customizationPanel">
    <div class="panel-header">
      <h4>Cookie Preferences</h4>
      <button class="close-panel" id="closePanel">×</button>
    </div>
    <div class="panel-content">
      <div class="cookie-option">
        <div class="option-info">
          <h5>Essential Cookies</h5>
          <p>Required for the website to function properly</p>
        </div>
        <label class="switch">
          <input type="checkbox" id="essentialCookies" checked disabled>
          <span class="slider"></span>
        </label>
      </div>
      
      <div class="cookie-option">
        <div class="option-info">
          <h5>Analytics Cookies</h5>
          <p>Help us understand how visitors interact with our site</p>
        </div>
        <label class="switch">
          <input type="checkbox" id="analyticsCookies" checked>
          <span class="slider"></span>
        </label>
      </div>
      
      <div class="cookie-option">
        <div class="option-info">
          <h5>Marketing Cookies</h5>
          <p>Used to track visitors across websites for personalized ads</p>
        </div>
        <label class="switch">
          <input type="checkbox" id="marketingCookies">
          <span class="slider"></span>
        </label>
      </div>
    </div>
    <div class="panel-actions">
      <button class="btn btn-primary" id="savePreferences">Save Preferences</button>
    </div>
  </div>
</div>

CSS

.cookie-consent-demo {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 150px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: 15px;
}

.show-banner-btn {
  padding: 15px 30px;
  background: rgba(255, 255, 255, 0.2);
  color: white;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

.show-banner-btn:hover {
  background: rgba(255, 255, 255, 0.3);
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.cookie-consent-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: white;
  box-shadow: 0 -5px 20px rgba(0, 0, 0, 0.1);
  z-index: 10000;
  transform: translateY(100%);
  transition: transform 0.5s ease;
  border-top-left-radius: 20px;
  border-top-right-radius: 20px;
  overflow: hidden;
}

.cookie-consent-banner.visible {
  transform: translateY(0);
}

.banner-content {
  display: flex;
  align-items: center;
  padding: 25px 30px;
  gap: 20px;
}

.banner-text {
  flex: 1;
}

.banner-text h4 {
  margin: 0 0 10px 0;
  color: #333;
  font-size: 1.2rem;
  font-weight: 600;
}

.banner-text p {
  margin: 0;
  color: #666;
  font-size: 0.95rem;
  line-height: 1.5;
}

.banner-actions {
  display: flex;
  gap: 10px;
  flex-shrink: 0;
}

.btn {
  padding: 10px 20px;
  border: none;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-primary {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
  background: #f1f5f9;
  color: #666;
}

.btn-secondary:hover {
  background: #e2e8f0;
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: #667eea;
  border: 2px solid #667eea;
}

.btn-outline:hover {
  background: #667eea;
  color: white;
  transform: translateY(-2px);
}

.customization-panel {
  background: #f8fafc;
  border-top: 1px solid #e2e8f0;
  padding: 25px 30px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s ease;
}

.customization-panel.expanded {
  max-height: 500px;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.panel-header h4 {
  margin: 0;
  color: #333;
  font-size: 1.2rem;
  font-weight: 600;
}

.close-panel {
  background: none;
  border: none;
  font-size: 24px;
  color: #999;
  cursor: pointer;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all 0.2s ease;
}

.close-panel:hover {
  background: #f1f5f9;
  color: #333;
}

.cookie-option {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 0;
  border-bottom: 1px solid #e2e8f0;
}

.cookie-option:last-child {
  border-bottom: none;
}

.option-info h5 {
  margin: 0 0 5px 0;
  color: #333;
  font-size: 1rem;
  font-weight: 600;
}

.option-info p {
  margin: 0;
  color: #666;
  font-size: 0.85rem;
}

/* Switch styles */
.switch {
  position: relative;
  display: inline-block;
  width: 50px;
  height: 24px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #cbd5e1;
  transition: .4s;
  border-radius: 24px;
}

.slider:before {
  position: absolute;
  content: "";
  height: 16px;
  width: 16px;
  left: 4px;
  bottom: 4px;
  background-color: white;
  transition: .4s;
  border-radius: 50%;
}

input:checked + .slider {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

input:checked + .slider:before {
  transform: translateX(26px);
}

input:disabled + .slider {
  opacity: 0.6;
  cursor: not-allowed;
}

.panel-actions {
  margin-top: 20px;
  text-align: right;
}

/* Animations */
@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.banner-content {
  animation: slideInUp 0.6s ease-out;
}

/* Responsive */
@media (max-width: 768px) {
  .banner-content {
    flex-direction: column;
    text-align: center;
    gap: 15px;
  }
  
  .banner-actions {
    width: 100%;
    justify-content: center;
  }
  
  .btn {
    padding: 8px 15px;
    font-size: 0.85rem;
  }
  
  .cookie-option {
    flex-direction: column;
    align-items: flex-start;
    gap: 15px;
  }
  
  .panel-actions {
    text-align: center;
  }
}

@media (max-width: 480px) {
  .banner-content {
    padding: 20px;
  }
  
  .customization-panel {
    padding: 20px;
  }
  
  .btn {
    flex: 1;
  }
}

JavaScript

document.addEventListener('DOMContentLoaded', function() {
  // Get DOM elements
  const showBannerBtn = document.getElementById('showBannerBtn');
  const cookieBanner = document.getElementById('cookieConsentBanner');
  const acceptBtn = document.getElementById('acceptCookies');
  const rejectBtn = document.getElementById('rejectCookies');
  const customizeBtn = document.getElementById('customizeCookies');
  const savePreferencesBtn = document.getElementById('savePreferences');
  const closePanelBtn = document.getElementById('closePanel');
  const customizationPanel = document.getElementById('customizationPanel');
  
  // Show banner button event
  showBannerBtn.addEventListener('click', function() {
    cookieBanner.classList.add('visible');
  });
  
  // Accept all cookies
  acceptBtn.addEventListener('click', function() {
    setCookiePreference('all');
    hideBanner();
  });
  
  // Reject non-essential cookies
  rejectBtn.addEventListener('click', function() {
    setCookiePreference('essential');
    hideBanner();
  });
  
  // Customize cookies
  customizeBtn.addEventListener('click', function() {
    customizationPanel.classList.add('expanded');
  });
  
  // Close customization panel
  closePanelBtn.addEventListener('click', function() {
    customizationPanel.classList.remove('expanded');
  });
  
  // Save preferences
  savePreferencesBtn.addEventListener('click', function() {
    const analyticsChecked = document.getElementById('analyticsCookies').checked;
    const marketingChecked = document.getElementById('marketingCookies').checked;
    
    setCookiePreference({
      essential: true,
      analytics: analyticsChecked,
      marketing: marketingChecked
    });
    
    customizationPanel.classList.remove('expanded');
    hideBanner();
  });
  
  // Check if user has already made a choice
  function checkCookieConsent() {
    const consent = getCookie('cookie_consent');
    if (!consent) {
      // Show banner after a delay
      setTimeout(() => {
        cookieBanner.classList.add('visible');
      }, 1000);
    }
  }
  
  // Set cookie preference
  function setCookiePreference(preference) {
    let consentValue;
    
    if (preference === 'all') {
      consentValue = JSON.stringify({
        essential: true,
        analytics: true,
        marketing: true,
        timestamp: new Date().toISOString()
      });
    } else if (preference === 'essential') {
      consentValue = JSON.stringify({
        essential: true,
        analytics: false,
        marketing: false,
        timestamp: new Date().toISOString()
      });
    } else {
      consentValue = JSON.stringify({
        essential: true,
        analytics: preference.analytics,
        marketing: preference.marketing,
        timestamp: new Date().toISOString()
      });
    }
    
    // Set cookie for 365 days
    document.cookie = `cookie_consent=${consentValue}; path=/; max-age=${365 * 24 * 60 * 60}`;
    
    // Log consent for analytics
    console.log('Cookie consent set:', preference);
  }
  
  // Get cookie value
  function getCookie(name) {
    const value = `; ${document.cookie}`;
    const parts = value.split(`; ${name}=`);
    if (parts.length === 2) return parts.pop().split(';').shift();
  }
  
  // Hide banner with animation
  function hideBanner() {
    cookieBanner.style.transform = 'translateY(100%)';
    setTimeout(() => {
      cookieBanner.classList.remove('visible');
    }, 500);
  }
  
  // Initialize
  checkCookieConsent();
});

Snippet Features

Responsive Design: Yes

Dark Mode Support: No

Category: widgets

Difficulty Level: Beginner

Browser Compatibility

🟢

chrome 50+

🟠

firefox 45+

🔵

safari 10+

🟦

edge 15+