#debug {
    display: flex;
    flex-flow: column nowrap;
    align-items: flex-end;
    position: absolute;
    top: 0;
    right: 0;
    color: #fff;
    font-family: monospace;
}
#debug button {
    cursor: pointer;
    padding: 0;
    background: none;
    border: none;
    font: inherit;
    color: inherit;
}
#debug div {
    width: max-content;
    background: #000;
    color: #fff;
}