gitlab.com - Dark mode fixes by uberfoosea

/* ==UserStyle==
@name           gitlab.com - Dark mode fixes
@namespace      github.com/openstyles/stylus
@version        1.0.2
@description    Fix some issues with dark mode and darker darks.
@author         mikeeddington
==/UserStyle== */
@-moz-document domain("gitlab.com") {
    /* Black background for comments */
    .notes.timeline > .timeline-entry.note-discussion .timeline-content ul li:not(.target) .timeline-content:not(.flash-container) {
        background-color: #000;
    }
    .notes.timeline > .timeline-entry.note-discussion .discussion-reply-holder {
        border: 1px solid #dcdcde;
        background-color: #000;
    }
    .notes.timeline > .timeline-entry.note-comment:not(.target) .timeline-content:not(.flash-container),
    .notes.timeline > .timeline-entry.note-skeleton:not(.target) .timeline-content:not(.flash-container),
    .notes.timeline > .timeline-entry .draft-note:not(.target) .timeline-content:not(.flash-container) {
        background-color: #000;
    }

    /* Black backgound code code snippets */
    .code.dark,
    .code.dark pre.code,
    .code.dark .line_holder .line_content {
        background-color: #000;
        color: #c5c8c6;
    }

    /* Black background for MR diff search popups */
    .codeHost-module__hover-overlay {
        background-color: #000000;
    }

    .timeline-entry:not(.note-form).internal-note .timeline-content {
        background-color: #534034 !important;
    }
}