body {
  text-align: center;
  background-color: #011F3F;
}

#game{
  font-family: 'Press Start 2P', cursive;
  font-size: 3rem;
  margin:  3rem;
  color: #FEF2BF;
}

#level-title {
  font-family: 'Press Start 2P', cursive;
  font-size: 2rem;
  margin:  1%;
  color: #FEF2BF;
  line-height: 3rem;
  cursor: pointer;
}

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

.btn {
  margin: 15px;
  display: inline-block;
  height: 200px;
  width: 200px;
  border: 10px solid black;
  border-radius: 20%;
}

.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: grey;
}

/*footer*/
footer {
  font-family: 'Press Start 2P', cursive;
  margin: 1rem 0;

  font-size: 0.75rem;
  text-align: center;
  color: white;
}

footer p {
  font-size: 1em;
  letter-spacing: 1px;
}

@media screen and (max-width: 1040px) and (min-width: 650px){
  .container {
    width: 80%;
  }

  #game{
    font-size: 2.5rem;
    margin: 1.5rem 0.5rem 2rem 0.5rem;
  }

  #level-title {
    font-size: 2rem;
    margin:  0.5rem 0;
    line-height: 1.5rem;
  }
}

@media screen and (max-width: 649px){
  body{
    overflow: hidden;
  }
  #game{
    font-size: 2rem;
    margin: 2.5rem 0.5rem 2rem 0.5rem;
  }
  
  #level-title {
    font-size: 1rem;
    margin:  0.5rem 0;
    line-height: 1.5rem;
  }
  
  .container {
    width: 80%;
    margin: 3rem auto;
  }
  
  .btn {
    margin: 0;
    height: 120px;
    width: 120px;
    border: 5px solid black;
  }
  footer {
    margin: 4rem 0;
  }
}