@import url("https://fonts.googleapis.com/css?family=Oxanium|PT+Mono&display=swap");
body {
  text-align: center;
  background-color: #ff8c00;
}

#level-title {
  font-family: PT Mono, sans-serif;
  letter-spacing: 5px;
  font-size: 3rem;
  margin:  3%;
  color: grey;
}

.container {
  display: block;
  width: 50%;
  margin: auto;
  background: whitesmoke;
  border-radius: 20px;
  box-shadow: 0 10px 20px -5px rgba(255, 255, 255, 0.5);
}

.btn {
  margin: 25px;
  display: inline-block;
  height: 200px;
  width: 200px;
  border-radius: 50%;
}

.game-over {
  background-color: #900d0d;
  opacity: 0.8;
}

.red {
  background-color:#ff3900;
}

.green {
  background-color: #00c35b;
}

.blue {
  background-color: #0879b5;
}

.yellow {
  background-color: #ff8b00;
}

.pressed {
  box-shadow: 0 0 20px white;
  background-color: grey;
}