body {
    font-family: monospace;
    padding: 0 0;
    margin: 0 0;
    width: 100%;
    height: 100%;
}

* {
    box-sizing: border-box;
}

footer,
header {
    border: 2px solid black;
    box-shadow: -5px -5px 0px rgba(0, 0, 0, .1);
    padding: .5rem 1rem;
    text-align: center;
    position: fixed;
    bottom: 0;
    width: 100%;
    background-color: white;
}

h1 {
    margin: 0 0;
}

header {
    bottom: auto;
    top: 0;
    font-size: 1rem;
}

footer audio {
    width: 100%;
}

main {
    margin-top: 4rem;
    margin-bottom: 4rem;
}

pre {
    max-width: 50svw;
}

circle {
    transition: fill .1s linear;
}

.loading {
    position: fixed;
    top: 0;
    width: 100%;
    height: 100%;
    left: 0;
    background-color: white;
    display: flex;
    justify-content: center;
    align-items: center;
}