body {
  margin: 0;
  font-family: Arial, sans-serif;
  /* background-color: #70c5ce; */
  background: url(../images/flappybg.webp);
  background-size: cover;
  background-attachment: fixed;
  margin: 0;
  overflow: hidden;
}

#game-canvas {
  display: none;
  background-color: #70c5ce;
  position: absolute;
  top: 0;
  left: 0;
}

#start-screen, #game-over-screen {
  display: none;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  background-color: white;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

#start-screen.active, #game-over-screen.active {
  display: block;
}

button {
  padding: 10px 20px;
  font-size: 16px;
  border: none;
  background-color: #007BFF;
  color: white;
  border-radius: 5px;
  cursor: pointer;
}

button:hover {
  background-color: #0056b3;
}