body {
  background: #111;
  color: white;
  font-family: Arial, sans-serif;
  text-align: center;
  padding: 30px;
}

#avatar-video {
  width: 420px;
  border-radius: 12px;
  background: black;
  margin-bottom: 20px;
}

button {
  padding: 12px 24px;
  font-size: 16px;
  background: #4caf50;
  border: none;
  color: white;
  border-radius: 8px;
  cursor: pointer;
}

button:hover {
  background: #43a047;
}

#log {
  margin-top: 20px;
  font-size: 14px;
  text-align: left;
  width: 80%;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  background: #222;
  padding: 15px;
  border-radius: 8px;
  height: 250px;
  overflow-y: scroll;
  white-space: pre-wrap;
}