body {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
  font-family: 'Courier New', monospace;
}

#game-container {
  position: relative;
  width: 600px;
  height: 400px;
  border: 2px solid #000;
  overflow: hidden;
}

#sight {
  position: absolute;
  width: 20px;
  height: 20px;
  border: 2px solid red;
  border-radius: 50%;
  pointer-events: none;
}

.duck {
  position: absolute;
  font-size: 20px;
  color: #00F;
  pointer-events: none;
}

#score {
  position: absolute;
  top: 10px;
  right: 10px;
}

#high-score {
  position: absolute;
  top: 30px;
  right: 10px;
}

#start-btn,
#reset-btn {
  font-size: 16px;
  margin-top: 10px;
  cursor: pointer;
}