style.css

*, *::before, *::after {
    margin: 0;
    box-sizing: border-box;
}

body {
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #333;
    height: 100svh;
}

canvas {
    width: min(100svw, 100svh);
    height: min(100svw, 100svh);
}

input[type="range"] {
    cursor: pointer;
    position: fixed;
    bottom: 10px;
    appearance: none;
    width: 150px;
    height: 18px;
    background-color: transparent;
    background: transparent;
}

input[type="range"]::-webkit-slider-runnable-track {
    height: 12px;
    border-radius: 30px;
    background-color: #000000;
    border-color: #ffffff;
}

input[type="range"]::-webkit-slider-thumb {
    appearance: none;
    width: 18px;
    height: 18px;
    margin-top: -3px;
    border-radius: 30px;
    background-color: #F90;
}

input[type="range"]::-moz-range-track {
    width: 100%;
    height: 12px;
    border-radius: 30px;
    background-color: #000000;
}

input[type="range"]::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 30px;
    background-color: #F90;
}

input[type="checkbox"] {
    cursor: pointer;
    position: fixed;
    top: 10px;
    right: 10px;
    width: 20px;
    height: 20px;
    appearance: none;
}

input[type="checkbox"]::before {
    content: "";
    display: block;
    position: absolute;
    width: 100%;
    height: 100%;
    border: 2px solid #F90;
    background-color: #0000;
    border-radius: 3px;
}

input[type="checkbox"]:checked::before {
    background-color: #F90;
}

input[type="checkbox"]:checked::after {
    content: "";
    display: block;
    position: absolute;
    left: 50%;
    top: 50%;
    width: 5px;
    height: 10px;
    transform: translate(-50%, -60%) rotate(45deg);
    border-width: 2px;
    border-color: #000;
    border-style: none solid solid none;
}