html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  overflow: hidden;
  font-family: Arial, sans-serif;
  color: #ffffff;
  background: radial-gradient(circle at center, #0f0c29, #302b63, #24243e);
}

canvas#stars {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: block;
  z-index: 0;
}

.content {
  position: relative;
  z-index: 1;
  text-align: center;
  margin-top: 20vh;
}

button {
  padding: 12px 25px;
  font-size: 18px;
  margin: 10px;
  background-color: rgba(255, 255, 255, 0.2);
  border: 2px solid #fff;
  border-radius: 12px;
  color: #fff;
  cursor: pointer;
  transition: all 0.3s ease;
}
button:hover {
  background-color: rgba(255, 255, 255, 0.5);
  transform: scale(1.1);
}