body {
  text-align: center;
  background-color: #011f3f;
}

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

#level-start {
  font-family: 'Press Start 2P', cursive;
  font-size: 1rem;
  color: #fef2bf;
}

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

.start {
  margin: 5px;
  display: inline-block;
  background-image: url('imgs/start.png');
  background-color: yellow;
  background-size: cover;
  height: 100px;
  width: 100px;
  border: 8px solid black;
  border-radius: 20%;
}

.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;
  background-image: url('imgs/red.png');
  background-size: cover;
}

.green {
  background-color: green;
  background-image: url('imgs/green.png');
  background-size: cover;
}

.blue {
  background-color: blue;
  background-image: url('imgs/blue.png');
  background-size: cover;
}

.yellow {
  background-color: yellow;
  background-image: url('imgs/yellow.png');
  background-size: cover;
}

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

.restart {
  background-image: url('imgs/finish.png');
  background-color: green;
  background-size: cover;
}

#footer {
  display: flex;
  max-width: 100%;
  justify-content: center;
  text-align: center;
  align-items: center;
  flex-direction: row;
  flex: 1;
  margin: 1rem;
  padding-top: 2rem;
}
a {
  color: rgb(255, 255, 255);
  text-decoration: none; /* no underline */
}

#github-logo-container {
  width: 50px;
  height: 25px;
}
.col-1 #github-logo {
  max-width: 10%;
  min-width: 20px;
}
#name {
  margin-left: 1rem;
}