/* universal styles */
* {
    margin: 0;
    font-family: sans-serif;
}

/* javascript utilities */
.show-on-start {
    display: none;
}

/* document styles */
header {
    display: block;
    position: fixed;
    width: 100%;
    text-align: center;
    min-height: 12rem;
    top: 0;
    padding: 2rem;
}

main {
    display: flex;
    flex-direction: column;
    width: 100%;
    align-items: center;
    position: relative;
    top: 15rem;   
}

.audio-controls {
    display: flex;
    width: 80%;
}

.controls {
    display: inline-flex;
    flex-direction: column;
    border: 1px solid black;
    align-items: center;
}

#synth-button {
    display: none;
}