HTML Online Renderer

                        HTML
                    

                        CSS
                    

                        JavaScript
                    

                    <div class="container">
  <h1>🎉 Hello, World!</h1>
  <p>Welcome to the HTML Online Renderer</p>
  <div class="card">
    <h2>Getting Started</h2>
    <p>Edit HTML, CSS, and JavaScript in the panels on the left, then click <strong>Run</strong> to see the result.</p>
    <button onclick="animate()">Click Me!</button>
  </div>
  <div class="circles">
    <div class="circle c1"></div>
    <div class="circle c2"></div>
    <div class="circle c3"></div>
  </div>
</div>
                    * {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.container {
  text-align: center;
  color: white;
}

h1 {
  font-size: 3rem;
  margin-bottom: 8px;
  animation: fadeInDown 0.8s ease;
}

p {
  font-size: 1.1rem;
  opacity: 0.9;
  margin-bottom: 24px;
}

.card {
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(10px);
  border-radius: 16px;
  padding: 32px;
  max-width: 450px;
  margin: 0 auto 32px;
  border: 1px solid rgba(255,255,255,0.2);
  animation: fadeInUp 0.8s ease 0.2s both;
}

.card h2 {
  margin-bottom: 12px;
  font-size: 1.5rem;
}

.card p {
  font-size: 0.95rem;
  line-height: 1.6;
}

button {
  margin-top: 16px;
  padding: 12px 32px;
  background: white;
  color: #764ba2;
  border: none;
  border-radius: 25px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
}

button:hover {
  transform: scale(1.05);
  box-shadow: 0 8px 25px rgba(0,0,0,0.2);
}

.circles {
  display: flex;
  justify-content: center;
  gap: 16px;
}

.circle {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  animation: bounce 1.4s ease-in-out infinite;
}

.c1 { background: #ff6b6b; animation-delay: 0s; }
.c2 { background: #feca57; animation-delay: 0.2s; }
.c3 { background: #48dbfb; animation-delay: 0.4s; }

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
                    function animate() {
  const btn = event.target;
  btn.textContent = '✨ Awesome!';
  btn.style.background = 'linear-gradient(135deg, #f093fb, #f5576c)';
  btn.style.color = 'white';
  
  console.log('Button clicked! 🎉');
  
  setTimeout(() => {
    btn.textContent = 'Click Me!';
    btn.style.background = 'white';
    btn.style.color = '#764ba2';
  }, 2000);
}

console.log('JavaScript loaded successfully! 🚀');
                
Preview
localhost/preview
Console Clear