* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
}

body {
  background: #0d1117;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  text-align: center;
}

.container {
  max-width: 500px;
  padding: 30px;
  background: #161b22;
  border-radius: 20px;
  box-shadow: 0 0 20px rgba(255, 255, 255, 0.1);
  animation: fadeIn 1s ease-in-out;
}

.icon {
  font-size: 60px;
  margin-bottom: 20px;
}

h1 {
  font-size: 2em;
  margin-bottom: 10px;
}

p {
  color: #8b949e;
  margin-bottom: 20px;
}

button {
  background: #238636;
  color: white;
  border: none;
  padding: 12px 20px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 1em;
  transition: background 0.3s;
}

button:hover {
  background: #2ea043;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}