jitsi-meet/css/_audio-preview.scss

.audio-preview {
    display: inline-block;

    &-content {
        background: $menuBG;
        border-radius: 3px;
        font-size: 14px;
        line-height: 24px;
        max-height: 456px;
        overflow: auto;
        width: 300px;
        &-ul {
            margin:0;
            padding:0;
            list-style-type: none;
        }
    }

    &-header {
        color: #fff;
        align-items: center;
        display: flex;
        margin-top: 8px;
        padding: 8px 16px;

        &-icon {
            display: inline-block;

            svg {
                fill: #fff;
            }
        }

        &--bordered {
            border-bottom: 1px solid #4C4D50;
        }

        &-text {
            margin-left: 12px;
        }
    }

    &-entry {
        align-items: center;
        color: #fff;
        cursor: pointer;
        display: flex;
        padding: 8px 0;
        margin-left: 48px;

        &--selected {
            background: #131519;
            cursor: initial;
            margin-left: 0;
            padding-left: 18px;
        }

        &-text {
            color: #fff;
            display: inline-block;
            line-height: 24px;
            text-overflow: ellipsis;
            max-width: 213px;
            overflow: hidden;
            white-space: nowrap;
        }
    }

    &-speaker {
        position: relative;

        &-ul {
            margin:0;
            padding:0;
            list-style-type: none;
        }

        &:hover, &:focus-within, &:focus {
            .audio-preview-entry {
                background: #36383C;
                margin-left: 0;
                padding-left: 48px;

                &--selected {
                    padding-left: 18px;
                    background: $newToolbarBackgroundColor;
                }
            }

            .audio-preview-test-button {
                display: inline-block;
            }

            .audio-preview-entry-text {
                max-width: 178px;
            }
        }

        &:last-child {
            padding-bottom: 8px;
        }

        .audio-preview-entry-text {
            max-width: 238px;
        }
    }

    &-microphone {
        position: relative;

        &:hover {
            .audio-preview-entry {
                background: #36383C;
                margin-left: 0;
                padding-left: 48px;

                &--selected {
                    background: $newToolbarBackgroundColor;
                    padding-left: 18px;
                }
            }
        }

        .audio-preview-entry-text {
            max-width: 178px;
        }
    }

    &-icon {
        border-radius: 50%;
        display: inline-block;
        width: 14px;

        & svg {
            fill: #1C2025;
        }

        &--check {
            background: #31B76A;
            margin-right: 16px;
        }

        &--exclamation {
            margin-left: 6px;
            & svg {
                fill: #E54B4B;
            }
        }
    }

    &-hr {
        border-top: 1px solid #4C4D50;
        border-bottom: 0;
    }

    &-test-button {
        display: none;
        background: #FFF;
        border: 1px solid #D1DBE8;
        border-radius: 3px;
        color: #1C2025;
        cursor: pointer;
        font-weight: 600;
        font-size: 0.8rem;
        line-height: 24px;
        padding: 2px 8px;
        position: absolute;
        right: 16px;
        top: 5px;
    }

    &-meter-mic {
        position: absolute;
        right: 16px;
        top: 14px;
    }

    // Override @atlaskit/InlineDialog container which is made with styled components
    & > div:nth-child(2) {
        outline: none;
        padding: 0;
    }
}