html {
    font-size: 10px;
    background: url('./download.jpeg');
    background-size: cover;
    background-repeat: no-repeat;
    height: 100vh;
  }
/* body{
    margin: 0;
    padding: 0;
    background-image: url("./download.jpeg");
} */
body,html {
  margin: 0;
  padding: 0;
  font-family: sans-serif;
  
}

div{
    text-align: center;
}

.keys{
    margin: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    right: 0;
    left: 0;
    top: 0;
    bottom: 0;
}

.key{
    margin: 1rem;
    padding: 1rem;
    color: white;
    background-color: black;
    transition: all 0.2s;
    border:3px solid white;

}

.playing{
    /* transform: scale(1.5); */
    color: black;
    background-color: white;    
    box-shadow: 0 0 10px #f1c00b;
    border:3px solid #ffc600;
}