styles.css

body {
    color: #DDE6ED;
    background-color: #27374D;
  text-align: center;


}

footer {
    color: #DDE6ED;
    background-color: #526D82;

    position:absolute;
    bottom:0;
    width:100%;
    height:20px; 
    text-align: center;

}

h1{
    text-align: center;
    size: 4rem;
    font-size: 4rem;
    font-family: 'Press Start 2P', cursive;
}























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


.game-over {
    background-color: red;
    opacity: 0.8;
  }
  


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

.heading {
     text-align: center;
}
.green {
    background-color: green;
    width: 200px;
    height: 200px;
    border-radius: 10%;
    border-width: 10px;
    border-color: black;
     text-align: center;
     display: inline-block;
      margin: 25px;


}

.red {
    background-color: red;
    width: 200px;
    height: 200px;
    border-radius: 10%;
    border-width: 10px;
    border-color: black;
     text-align: center;
     display: inline-block;
      margin: 25px;

}

.yellow {
    background-color: yellow;
    width: 200px;
    height: 200px;
    border-radius: 10%;
    border-width: 10px;
    border-color: black;
     text-align: center;
     display: inline-block;
      margin: 25px;

}

.blue {
    background-color: blue;
    width: 200px;
    height: 200px;
    border-radius: 10%;
    border-width: 10px;
    border-color: black;
     text-align: center;
     display: inline-block;
      margin: 25px;

}