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

#level-title {
  font-family: 'Press Start 2P', cursive;
  font-size: 3rem;
  margin: 5%;
  color: #FEF2BF;
}

.container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 75%;
  margin: auto;
}

.btn {
  margin: 25px;
  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;
}

.start-button {
  display: flex;
  align-items: center;
  font-family: inherit;
  font-weight: 500;
  font-size: 30px;
  padding: 0.7em 1.4em 0.7em 1.4em;
  color: white;
  background: #ad5389;
  background: linear-gradient(0deg, rgba(20, 167, 62, 1) 0%, rgba(102, 247, 113, 1) 100%);
  border: none;
  box-shadow: 0 0.7em 1.5em -0.5em #14a73e98;
  letter-spacing: 0.05em;
  border-radius: 20em;
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
  margin-bottom: 30px;
  transition: box-shadow 0.2s ease-in-out;
}

.start-button:hover {
  box-shadow: 0 0.5em 1.5em -0.5em #05260e98;
}

.start-button:active {
  box-shadow: 0 0.3em 1em -0.5em #fbfcfb98;
}