audio-vis/style.css

html, body {
    padding: 0;
    margin: 0;
    overflow: hidden;
    font-size: 16px;
    font-family: sans-serif;
}

div {
    position: fixed;
    color: #fff;
    padding: 1em;
}

#c {
    width: 100%;
    height: 100%;
}

.settings-icon {
    right: 0;
    bottom: 0;
    font-size: 1.5em;
    cursor: pointer;
}

.settings-icon:hover {
    color: #0199ff;
}

.off-can {
    top: 0;
    left: 0;
    width: 300px;
    background-color: rgba(33, 33, 33, 0.6);
    height: 100vh;
    transition: all .5s;
    user-select: none;
}

group {
    display: block;
    padding-bottom: 10px;
    user-select: none;
}

group-label {
    display: block;
    border-bottom: 1px solid #ffffff;
    font-size: 21px;
    font-weight: 500;
    user-select: none;
}

group-input {
    display: flex;
    align-items: center;
    margin-top: 5px;
    user-select: none;
}

group-input label {
    padding-right: 10px;
    user-select: none;
    width: 150px;
}


group-input input {
    flex-grow: 1;
    user-select: none;
    max-width: 150px;
}

group-input button {
    border: 1px solid #dcdcdc;
    background-color: transparent;
    color: #fff;
    margin-left: 5px;
}

.closed {
    transform: translateX(-350px);
    transition: all .5s;
}

input[type=range] {
    -webkit-appearance: none;
    width: 100%;
}

input[type=range]:focus {
    outline: none;
}

input[type=range]::-webkit-slider-runnable-track {
    width: 100%;
    height: 25.6px;
    cursor: pointer;
    box-shadow: 1px 1px 1px #000000, 0 0 1px #0d0d0d;
    background: #424242;
    border-radius: 0;
    border: 0 solid #010101;
}

input[type=range]::-webkit-slider-thumb {
    box-shadow: 0 0 0 #470000, 0 0 0 #610000;
    border: 0 solid #ff0000;
    height: 25px;
    width: 15px;
    border-radius: 0;
    background: #a8c64e;
    cursor: pointer;
    -webkit-appearance: none;
    margin-top: 0.3px;
}

input[type=range]:focus::-webkit-slider-runnable-track {
    background: #545454;
}

input[type=range]::-moz-range-track {
    width: 100%;
    height: 25.6px;
    cursor: pointer;
    box-shadow: 1px 1px 1px #000000, 0 0 1px #0d0d0d;
    background: #424242;
    border-radius: 0;
    border: 0 solid #010101;
}

input[type=range]::-moz-range-thumb {
    box-shadow: 0 0 0 #470000, 0 0 0 #610000;
    border: 0 solid #ff0000;
    height: 25px;
    width: 15px;
    border-radius: 0;
    background: #a8c64e;
    cursor: pointer;
}

input[type=range]::-ms-track {
    width: 100%;
    height: 25.6px;
    cursor: pointer;
    background: transparent;
    border-color: transparent;
    color: transparent;
}

input[type=range]::-ms-fill-lower {
    background: #303030;
    border: 0 solid #010101;
    border-radius: 0;
    box-shadow: 1px 1px 1px #000000, 0 0 1px #0d0d0d;
}

input[type=range]::-ms-fill-upper {
    background: #424242;
    border: 0 solid #010101;
    border-radius: 0;
    box-shadow: 1px 1px 1px #000000, 0 0 1px #0d0d0d;
}

input[type=range]::-ms-thumb {
    box-shadow: 0 0 0 #470000, 0 0 0 #610000;
    border: 0 solid #ff0000;
    width: 15px;
    border-radius: 0;
    background: #a8c64e;
    cursor: pointer;
    height: 25px;
}

input[type=range]:focus::-ms-fill-lower {
    background: #424242;
}

input[type=range]:focus::-ms-fill-upper {
    background: #545454;
}

switch input {
    position: absolute;
    appearance: none;
    opacity: 0;
}

switch label {
    display: block;
    border-radius: 10px;
    width: 40px;
    height: 20px;
    background-color: #dcdcdc;
    position: relative;
    cursor: pointer;
    padding: 0;
}

switch label:after {
    content: '';
    background-color: #ff3232;
    position: absolute;
    top: 2px;
    left: 2px;
    height: 16px;
    width: 16px;
    border-radius: 10px;
    transition: .5s;
}

switch input:checked + label:after {
    transform: translateX(20px);
}