freetube/src/renderer/components/ft-slider/ft-slider.css

.pure-material-slider {
    --pure-material-safari-helper1: var(--accent-color-opacity1);
    --pure-material-safari-helper2: var(--accent-color-opacity2);
    --pure-material-safari-helper3: var(--accent-color-opacity3);
    --pure-material-safari-helper4: var(--accent-color-opacity4);
    display: inline-block;
    width: 220px;
    color: rgba(var(--primary-text-color), 0.87);
    font-family: var(--pure-material-font, "Roboto", "Segoe UI", BlinkMacSystemFont, system-ui, -apple-system);
    font-size: 16px;
    line-height: 1.5;
    padding: 5px;
}

/* Input */
.pure-material-slider > input {
    -webkit-appearance: none;
    position: relative;
    top: 24px;
    display: block;
    margin: 0 0 -36px;
    width: 100%;
    height: 36px;
    background-color: transparent;
    cursor: pointer;
}

/* Without Span */
.pure-material-slider > input:last-child {
    position: static;
    margin: 0;
}

/* Span */
.pure-material-slider > span {
    display: inline-block;
    margin-bottom: 36px;
}

/* Focus */
.pure-material-slider > input:focus {
    outline: none;
}

/* Disabled */
.pure-material-slider > input:disabled {
    cursor: default;
    opacity: 0.38;
}

.pure-material-slider > input:disabled + span {
    color: rgba(var(--pure-material-onsurface-rgb, 0, 0, 0), 0.38);
}

/* Webkit | Track */
.pure-material-slider > input::-webkit-slider-runnable-track {
    margin: 17px 0;
    border-radius: 1px;
    width: 100%;
    height: 2px;
    background-color: var(--accent-color-opacity4);
}

/* Webkit | Thumb */
.pure-material-slider > input::-webkit-slider-thumb {
    appearance: none;
    -webkit-appearance: none;
    border: none;
    border-radius: 50%;
    height: 2px;
    width: 2px;
    background-color: var(--accent-color);
    transform: scale(6, 6);
    transition: box-shadow 0.2s;
}

/* Webkit | Hover, Focus */
.pure-material-slider:hover > input::-webkit-slider-thumb {
    box-shadow: 0 0 0 2px var(--pure-material-safari-helper1);
}

.pure-material-slider > input:focus::-webkit-slider-thumb {
    box-shadow: 0 0 0 2px var(--pure-material-safari-helper2);
}

.pure-material-slider:hover > input:focus::-webkit-slider-thumb {
    box-shadow: 0 0 0 2px var(--pure-material-safari-helper3);
}

/* Webkit | Active */
.pure-material-slider > input:active::-webkit-slider-thumb {
     box-shadow: 0 0 0 2px var(--pure-material-safari-helper4) !important;
}

/* Webkit | Disabled */
.pure-material-slider > input:disabled::-webkit-slider-runnable-track {
    background-color: rgba(var(--pure-material-onsurface-rgb, 0, 0, 0), 0.38);
}

.pure-material-slider > input:disabled::-webkit-slider-thumb {
    background-color: rgb(var(--pure-material-onsurface-rgb, 0, 0, 0));
    color: rgb(var(--pure-material-surface-rgb, 255, 255, 255)); /* Safari */
    box-shadow: 0 0 0 1px rgb(var(--pure-material-surface-rgb, 255, 255, 255)) !important;
    transform: scale(4, 4);
}

/* Moz | Track */
.pure-material-slider > input::-moz-range-track {
    margin: 17px 0;
    border-radius: 1px;
    width: 100%;
    height: 2px;
    background-color: var(--accent-color-opacity4);
}

/* Moz | Thumb */
.pure-material-slider > input::-moz-range-thumb {
    appearance: none;
    -moz-appearance: none;
    border: none;
    border-radius: 50%;
    height: 2px;
    width: 2px;
    background-color: var(--accent-color);
    transform: scale(6, 6);
    transition: box-shadow 0.2s;
}

/* Moz | Progress */
.pure-material-slider > input::-moz-range-progress {
    border-radius: 1px;
    height: 2px;
    background-color: var(--accent-color);
}

/* Moz | Hover, Focus */
.pure-material-slider:hover > input:hover::-moz-range-thumb {
    box-shadow: 0 0 0 2px var(--accent-color-opacity1);
}

.pure-material-slider > input:focus::-moz-range-thumb {
    box-shadow: 0 0 0 2px var(--accent-color-opacity2);
}

.pure-material-slider:hover > input:focus::-moz-range-thumb {
    box-shadow: 0 0 0 2px var(--accent-color-opacity3);
}

/* Moz | Active */
.pure-material-slider > input:active::-moz-range-thumb {
    box-shadow: 0 0 0 2px var(--accent-color-opacity4) !important;
}

/* Moz | Disabled */
.pure-material-slider > input:disabled::-moz-range-track {
    background-color: rgba(var(--pure-material-onsurface-rgb, 0, 0, 0), 0.38);
}

.pure-material-slider > input:disabled::-moz-range-progress {
    background-color: rgba(var(--pure-material-onsurface-rgb, 0, 0, 0), 0.87);
}

.pure-material-slider > input:disabled::-moz-range-thumb {
    background-color: rgb(var(--pure-material-onsurface-rgb, 0, 0, 0));
    box-shadow: 0 0 0 1px rgb(var(--pure-material-surface-rgb, 255, 255, 255)) !important;
    transform: scale(4, 4);
}

.pure-material-slider > input::-moz-focus-outer {
    border: none;
}

/* MS | Track */
.pure-material-slider > input::-ms-track {
    box-sizing: border-box;
    margin: 17px 0;
    border: none;
    border-radius: 1px;
    padding: 0 17px;
    width: 100%;
    height: 2px;
    background-color: transparent;
}

.pure-material-slider > input::-ms-fill-lower {
    border-radius: 1px;
    height: 2px;
    background-color: var(--accent-color);
}

/* MS | Progress */
.pure-material-slider > input::-ms-fill-upper {
    border-radius: 1px;
    height: 2px;
    background-color: var(--accent-color-opacity4);
}

/* MS | Thumb */
.pure-material-slider > input::-ms-thumb {
    appearance: none;
    margin: 0 17px;
    border: none;
    border-radius: 50%;
    height: 2px;
    width: 2px;
    background-color: var(--accent-color);
    transform: scale(6, 6);
    transition: box-shadow 0.2s;
}

/* MS | Hover, Focus */
.pure-material-slider:hover > input::-ms-thumb {
    box-shadow: 0 0 0 2px var(--accent-color-opacity1);
}

.pure-material-slider > input:focus::-ms-thumb {
    box-shadow: 0 0 0 2px var(--accent-color-opacity2);
}

.pure-material-slider:hover > input:focus::-ms-thumb {
    box-shadow: 0 0 0 2px var(--accent-color-opacity3);
}

/* MS | Active */
.pure-material-slider > input:active::-ms-thumb {
    box-shadow: 0 0 0 2px var(--accent-color-opacity4) !important;
}

/* MS | Disabled */
.pure-material-slider > input:disabled::-ms-fill-lower {
    background-color: rgba(var(--pure-material-onsurface-rgb, 0, 0, 0), 0.38);
}

.pure-material-slider > input:disabled::-ms-fill-upper {
    background-color: rgba(var(--pure-material-onsurface-rgb, 0, 0, 0), 0.38);
    opacity: 0.38;
}

.pure-material-slider > input:disabled::-ms-thumb {
    background-color: rgb(var(--pure-material-onsurface-rgb, 0, 0, 0));
    box-shadow: 0 0 0 1px rgb(var(--pure-material-surface-rgb, 255, 255, 255)) !important;
    transform: scale(4, 4);
}