nextcloud-breeze-dark/core/css/apps/thirdparty/_files-markdown.scss

/* Markdown editor -----------------------------------------------------------*/

#app-content-texteditor #editor_container {

    #editor_controls #preview_editor_controls button:hover {
        background-color: $background-active-hover;
    }

    #editor_wrap #preview_wrap #preview {
        background-color: $background-normal;
        color: $foreground-normal;
        border-left: 1px solid $decoration-normal;

        &.text-markdown {

            blockquote {
                border-left-color: $background-alternate;
                color: $foreground-inactive;
            }

            tt {
                background-color: $background-normal;
                border-color: $decoration-normal
            }

            code, pre {
                background-color: $background-dark;
                border-color: $decoration-normal;
            }

            table tr {
                border-top-color: $decoration-normal;
                background-color: $background-normal;

                th {
                    color: $foreground-inactive;
                    border-bottom-color: $decoration-normal;
                }
            }
        }
    }
}