styles.css

body {
  text-align: center;
  background-color: #98994d;
}

#level-title {
  font-family: "Press Start 2P", cursive;
  font-size: 2.6rem;
  margin: 5%;
  color: #0e677e;
}

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

.btn {
  margin: 15px;
  display: inline-block;
  height: 200px;
  width: 200px;
  border: 10px solid black;
  border-radius: 20%;
}
.scoreboard {
  position: absolute;
  text-align: left;
  font-family: "Press Start 2P", cursive;
  font-size: 1.5rem;
  top: 35%;
  left: 5%;
}
.game-over {
  background-color: red;
  opacity: 0.8;
}
.mobile {
  visibility: hidden;
}
#mobile-title {
  visibility: hidden;
}
.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;
}
@media screen and (max-width: 1100px) {
  .scoreboard {
    font-size: 1rem;
    top: 35%;
    left: 2%;
  }
  #level-title {
    visibility: hidden;
    display:none;
  }
  #mobile-title {
    visibility: visible;
    font-family: "Press Start 2P", cursive;
    font-size: 2.6rem;
    margin: 5%;
    color: #0e677e;
  }
  .mobile {
    visibility: visible;
    position: absolute;
    text-align: right;
    top: 35%;
    right: 2%;
    width: 23%;
  }
  .play {
    -webkit-border-radius: 20px;
    -moz-border-radius: 20px;
    border-radius: 20px;
    height: 10px;
    line-height: 16px;
    color: #99c624;
    font-family: "Press Start 2P", cursive;
    font-size: 1.1rem;
    font-weight: 100;
    padding: 25px;
    background-color: #0d2b4c;
    text-decoration: none;
    text-align: center;
  }
}