body {
    margin: 0;
    background: #111;
    color: white;
    font-family: sans-serif;
    display: flex;
    height: 100vh;
    overflow: hidden;
}

#controls {
    width: 380px;
    background: #222;
    padding: 10px;
    overflow-y: auto;

    height: 100vh;
    box-sizing: border-box;
    flex-shrink: 0;
}

#canvas {
    flex: 1;
    background: black;
    width: 100%;
    height: 100%;
}

.slider {
    margin: 10px 0;
}
#pde-box {
    background: rgba(255,255,255,0.12);
    padding: 10px;
    border-radius: 6px;
    margin-bottom: 14px;
    color: #fff;
    font-size: 14px;
}

.pde-line {
    margin-bottom: 8px;
    white-space: nowrap;
}

.pde-fg {
    font-size: 13px;
    margin-left: 6px;
    white-space: nowrap;
}