body {
  text-align: center;
}

.moveBackground {
  background: rgb(238, 84, 151);
  background: radial-gradient(
    circle,
    rgba(238, 84, 151, 1) 0%,
    rgba(33, 112, 207, 1) 100%
  );
  animation: moveGB 5s ease infinite;
}

#level-title {
  font-family: "Press Start 2P", cursive;
  font-size: 3rem;
  margin: 5%;
  color: #fef2bf;
}

.container {
  display: block;
  width: 50%;
  margin: auto;
}

.btn {
  margin: 15px;
  display: inline-block;
  height: 20vh;
  width: 20vh;
  border: 10px solid black;
  border-radius: 20%;
  z-index: 10;
  transition: 0.2s;
  cursor: pointer;
  box-shadow: 0px 1px 5px 2px #bfceef;
  position: relative;
}

.btn-particles {
  width: 100px;
  height: 100px;
  position: absolute;
  border-radius: 50%;
  font-family: monospace;
  z-index: 11;
}

.game-over {
  background-color: red;
  opacity: 0.8;
}

.red {
  background-color: red;
}

.green {
  background-color: green;
}

.blue {
  background-color: blue;
}

.yellow {
  background-color: yellow;
}

.pressed {
  box-shadow: 0 0 20px white;
  background-color: rgb(99, 98, 98);
}

.btn:active {
  transform: scale(0.9);
}

.shape {
  position: absolute;
  width: 50px;
  height: 50px;
  transform: scale(0.8);
}

@media (max-width: 969px){
  .btn {
    height: 17vh;
    width: 17vh;
  }

  h1 {
    font-size: 2.5rem !important;
  }
}

@media (max-width: 768px){
  .btn {
    height: 16vh;
    width: 16vh;
  }

  h1 {
    font-size: 2rem !important;
  }
}


@media (max-width: 576px) {
  .btn {
    height: 15vh;
    width: 15vh;
    margin: 8px;
  }

  h1 {
    font-size: 2rem !important;
  }
}