* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    overflow: hidden;
    background: #ffffff;
}

canvas {
    display: block;
}

/* Sits over the canvas, bottom centre */
.slider-box {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 16px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.85);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    color: #444;
    font: 14px system-ui, sans-serif;
}

.slider-box span {
    min-width: 90px;
}

.slider-box input {
    width: 200px;
}