html{
    font-size: 10px;
    background: url("./background.jpg") bottom center;
    background-size: cover;
}
body,html{
    margin: 0;
    padding: 0;
    font-family: "Work Sans", sans-serif;
}
.keys{
    display: flex;
    flex: 1;
    justify-content: center;
    align-items: center;
    min-height: 100vh;  
}
@media(max-width: 767px){
    .keys{
        flex-wrap: wrap;
    }

}

.key{
    border: 4px solid black;
    margin: 5px;
    border-radius: 5px;
    font-size: 10px;
    padding: 10px 3px;
    transition: all 0.07s ease;
    width: 100px;
    color: white;
    text-align: center;
    background-color: rgb(0 97 212 / 16%);
}

.playing{
    transform: scale(1.3);
    border-color: #ffc600;
    box-shadow: 0 0 1rem #ffc600;
}
.key kbd{
    display: block;
    font-size: 40px;
}
.key span{
    color: #ffc600cf;
    font-size: 12px;
}