material-you-react/src/styles/input-styles/slider.sass

@mixin input-range-thumb-mixin
    @include elevation-1(false)

    &:hover
        &::after
            content: '1'

        outline: 10px solid color-mix(in srgb, var(--md-sys-color-primary) 8%, transparent)

    &:is(:active, :focus-visible)
        outline: 10px solid color-mix(in srgb, var(--md-sys-color-primary) 12%, transparent)

    width: 20px
    height: 20px
    appearance: none
    border-radius: 50%
    box-sizing: border-box
    outline: 10px solid transparent
    background: var(--md-sys-color-primary)
    transition: .2s cubic-bezier(0.2, 0, 0, 1)

div.m3.m3-slider-container
    height: 20px
    display: flex
    align-items: center

    div.m3.m3-slider-label
        @include center(inline-flex)
        position: absolute
        pointer-events: none

        &::before
            content: ""
            width: 28px
            rotate: 45deg
            aspect-ratio: 1
            position: absolute
            border-radius: 14px 14px 0 14px
            background-color: var(--md-sys-color-primary)

        & > label.m3.m3-typography
            display: inline
            font-weight: 500
            position: absolute
            font-size: 12px !important
            color: var(--md-sys-color-on-primary)

    & > datalist
        display: none

input[type="range"].m3.m3-slider
    margin: 0
    appearance: none
    border-radius: 2px
    margin-inline: 8px
    background: linear-gradient(to right, var(--md-sys-color-primary) 0%, var(--md-sys-color-surface-container-highest) 0%)

    &::-webkit-slider-container
        height: 4px
        appearance: none
        box-shadow: none
        border-radius: 2px
        min-block-size: 4px

    &::-webkit-slider-runnable-track
        height: 4px

    &::-webkit-slider-thumb
        @include elevation-1(false)

        &:hover
            outline: 10px solid color-mix(in srgb, var(--md-sys-color-primary) 8%, transparent)

        &:is(:active, :focus-visible)
            outline: 10px solid color-mix(in srgb, var(--md-sys-color-primary) 12%, transparent)

        width: 20px
        aspect-ratio: 1
        appearance: none
        border-radius: 50%
        margin-top: -8px
        box-sizing: border-box
        outline: 10px solid transparent
        background: var(--md-sys-color-primary)
        transition: .2s cubic-bezier(0.2, 0, 0, 1)