*{
  font-family: 'Press Start 2P', cursive;
}
body {
  text-align: center;
  background-color: #297F87;
}
p{
  font-size: 30px;
}
#level-title {
  font-size: 3rem;
  color: #fff;
}
.game-board{
  height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.container {
  display: flex;
  justify-content: center;
  align-items: center;

}
button {
  background-color: green;
  padding: 10px;
  border: 0px;
  color: #fff;
  border-radius: 10px;
  cursor: pointer;
}
.btn {
  height: 200px;
  width: 200px;
  border: 25px solid;
 
}
.clear {   clear: both; } 
.row {
  display: flex;
}
.middle {
  position: absolute;
  left: 0;
  right: 0;
  margin: 0 auto;
  height: 200px;
  background: #ccc;
  z-index: 9;
  border-radius: 100%;
  width: 200px;
  border: 30px solid;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.game-over {
  background-color: red;
  opacity: 0.8;
}

.red {
  background-color: red;
  border-radius: 0 100% 0 0;
}

.green {
  background-color: green;
  border-radius: 100% 0 0 0;
}

.blue {
  background-color: blue;
  border-radius: 0 0 100% 0;
}

.yellow {
  background-color: yellow;
  border-radius: 0 0 0 100%;
}

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

footer {
  width: 100%;
  color: #fff;
  text-align: center;
  font-size: 13px;
  padding: 30px 0px;
}