body {
  -webkit-user-select: none;
  -webkit-user-drag: none;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background-color: #00AFAF;
}

.container {
  position: relative;
  width: 900px;
  height: 450px;
  margin: 20px auto;
  text-align: center;
  background-color: #005F5F;
}

.intro {
  position: absolute;
  font-size: 24px;
  left: 50%;
  top: 100px;
  transform: translateX(-50%);
}

.game {
  position: relative;
  width: 100%;
  height: 100%;
}

.animate {
  animation: jump 0.3s linear;
}

.trex {
  position: absolute;
  bottom: 25px;
  left: 35px;
  width: 90px;
}

.obstacle {
  position: absolute;
  width: 50px;
  bottom: 35px;
  right: 30px;
  animation: block 1s infinite linear;
}

.track {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: min-content;
}

@keyframes block {
  0% {
    left: 700px;
  }

  100% {
    left: 0;
  }
}

@keyframes jump {
  0% {
    bottom: 25px;
  }

  25% {
    bottom: 75px;
  }

  50% {
    bottom: 100px;
  }

  75% {
    bottom: 75px;
  }

  100% {
    bottom: 25px;
  }
}