main {
  text-align: center;
}

/* GAME FRAME */
#game-frame {
  width: 340px;
  border: 2px solid darkgreen;
  margin: 10px;
  background-color: #d3d3d3;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
}

/* GAME TITLE */
#game-title {
  width: 300px;
  height: 50px;
  border: 2px solid darkgreen;
  margin: 20px;
  border-radius: 5px;
  background-color: greenyellow;
  color: darkgreen;
  font-family: cursive;
  /* font-size: 40px; */
  line-height: 50px;
}

/* GAME PANEL */
#game-panel {
  width: 300px;
  height: 50px;
  border: 2px solid darkgreen;
  margin: 0 20px 20px;
  border-radius: 5px;
  background-color: greenyellow;
}
.btn {
  width: 60px;
  height: 30px;
  padding: 5px;
  margin: 10px 5px;
  border-color: darkgreen;
  border-radius: 3px;
  background-color: #6CBB3C;
  color: white;
  font: bold 16px Arial, Helvetica, sans-serif;
}

/* GAME SCORE */
#game-score {
  width: 100px;
  height: 30px;
  padding: 0 0 0 10px;
  border: 3px solid red;
  margin: 0 20px 20px;
  border-radius: 5px;
  background-color: black;
  font: bold 16px Arial, Helvetica, sans-serif;
  line-height: 30px;
  text-align: left;
}

/* GAME CANVAS */
#game-canvas {
  border: 2px solid black;
  margin: 0 20px 20px;
  background-color: white;
}

/* AUDIO */
audio {
  display: none;
}