* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  overflow: hidden;
}

body {
  background-color: red;
}

.gameContainer {
  background-image: url("images/bg.png");
  background-repeat: no-repeat;
  background-size: 100vw 100vh;
  width: 100%;
  height: 100vh;
}

.dino {
  background-image: url(images/dino.png);
  background-repeat: no-repeat;
  background-size: contain;
  width: 194px;
  height: 149px;
  position: absolute;
  bottom: -52px;
  left: 52px;
}

.dinoAni {
  animation: dinoAni 0.7s ease-in;
}

.obstacleAni {
  animation: obstacleAni 5s linear infinite;
}

.obstacle {
  background-image: url(images/dragon.png);
  background-repeat: no-repeat;
  background-size: contain;
  width: 138px;
  height: 144px;
  position: absolute;
  bottom: -53px;
  right: 50px;
}

#scorecont {
  font-size: 30px;
  position: absolute;
  right: 20px;
  top: 20px;
  background-color: rgb(89, 95, 95, 0.7);
  border: none;
  border-radius: 10px;
  padding: 10px;
  color: #fff;
}

.gameOver {
  font-size: 50px;
  position: absolute;
  left: 25%;
  top: 30%;
  background-color: rgb(89, 95, 95, 0.7);
  border: none;
  border-radius: 10px;
  padding: 10px;
  color: #fff;
  visibility: hidden;
  cursor: pointer;
}

#restartBtn {
  position: absolute;
  font-size: 25px;
  background-color: red;
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 7px;
  right: 20px;
  top: 150px;
  cursor: pointer;
}

#restartBtn:hover {
  background-color: #fa4f4c;
}

#musicBtn {
  position: absolute;
  font-size: 25px;
  background-color: rgb(255, 140, 0);
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 7px;
  right: 20px;
  top: 90px;
  cursor: pointer;
}

#musicBtn:hover {
  background-color: #fab318;
}

@keyframes dinoAni {
  0% {
    bottom: 0px;
  }
  50% {
    bottom: 900px;
  }
  100% {
    bottom: 0px;
  }
}

@keyframes obstacleAni {
  0% {
    left: 200vw;
  }
  100% {
    left: -50vw;
  }
}