GitHub viewed links

Colorize viewed links iussues / links in issues.

/* ==UserStyle==
@name         GitHub viewed links
@namespace    USO Archive
@author       krystian3w
@description  Colorize viewed links iussues / links in issues.
@version      20251007.18.11
@license      CC-BY-4.0
@preprocessor uso
@advanced color topic "issues in opened issue" #008000
@advanced color issues "issues on list issue" #1A4086
@advanced color other "other links (from GitHub.com domain) in issues" #7E248E
==/UserStyle== */
@-moz-document regexp("^https:\\/\\/github\\.com\\/[^\\/]+\\/[^\\/]+\\/issues(\\/(?!\\d+\\/?$)[^\\/]*)?(\\?.*)?$") {
    a[href*="/issues/"]:not([href*="issues/new/choose"]):visited {
        color: /*[[issues]]*/ !important;
    }
}
@-moz-document regexp("^https:\/\/github\.com\/[^\/]+\/[^\/]+\/issues\/\d+\/?(?:\?.*)?$") {
    div[class*="Issue"][class*="Viewer"]:is([class*="IssueCommentViewer"], [class*="IssueBodyViewer"]) a[href*="/issues/"]:visited,
    a[class*="IssueLink"]:visited,
    a.issue-link:visited {
        color: /*[[topic]]*/ !important;
    }
    div[class*="Issue"][class*="Viewer"]:is([class*="IssueCommentViewer"], [class*="IssueBodyViewer"]) a:visited {
        color: /*[[other]]*/ !important;
    }
}