game.css

h1 {
    font-family: 'Press Start 2P', cursive;
  font-size: 3rem;
  margin:  5%;
  color: #FEF2BF;
  text-align: center;
}

#green {
    border: 10px solid black;
    background-color: green;
    height: 200px;
    width: 200px;
    border-radius: 20%;
    position: relative;
    left: 500px;
}

#red {
    border: 10px solid black;
    background-color: red;
    height: 200px;
    width: 200px;
    border-radius: 20%;
    position: relative;
    left: 800px;
    bottom: 220px;
}

#yellow {
    border: 10px solid black;
    background-color: yellow;
    height: 200px;
    width: 200px;
    border-radius: 20%;
    position: relative;
    left: 800px;
    bottom: 200px;
}

#blue {
    border: 10px solid black;
    background-color: blue;
    height: 200px;
    width: 200px;
    border-radius: 20%;
    position: relative;
    left: 500px;
    bottom: 420px
}

body {
    background-color: navy;
}

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

.red {
    background-color: red;
}