html, body {
    margin: 0;
    padding: 0;
}
#rnbo-root {
    height: 100vh;
    width: 100vw;
}
#background {
    position: absolute;
    z-index: -1;
}

h2, em {
    width: 100%;
}

#rnbo-root {
    margin: auto;
    max-width: 540px;
}

#rnbo-clickable-keyboard {
    display: flex;
    flex-wrap: wrap;
}

#rnbo-clickable-keyboard > div {
    margin: 2px;
    border: solid black 1px;
    min-height: 50px;
    flex-grow: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

#rnbo-clickable-keyboard > div.clicked {
    background: #222222;
    color: #dddddd;
}

#rnbo-parameter-sliders {
    display: flex;
    flex-direction: column;
}

#rnbo-parameter-sliders > div {
    display: flex;
}

#rnbo-parameter-sliders > div > input:first-of-type {
    flex-grow: 1;
}