github-dark-img-bg-clr.user.css

/* ==UserStyle==
@name         GitHub Dark IMG Background Color
@namespace    StylishThemes
@version      2.0.12
@description  A GitHub Dark image background color user customizable style.
@author       StylishThemes and contributors
@homepageURL  https://github.com/StylishThemes/Feature-Override-Styles/
@supportURL   https://github.com/StylishThemes/Feature-Override-Styles/issues
@updateURL    https://raw.githubusercontent.com/StylishThemes/Feature-Override-Styles/master/github-dark-img-bg-clr.user.css
@license      MIT

@var color backgroundclr "Background color" rgba(255, 255, 255, .9)
@var checkbox bgclrhack  "Background color hover hack" 0

@preprocessor stylus
==/UserStyle== */
@-moz-document regexp("^https?://((education|gist|guides|help|lab|launch-editor|raw|resources|status|developer|support)\\.)?github\\.com/((?!generated_pages/preview).)*$"), domain("githubusercontent.com"), domain("graphql-explorer.githubapp.com"), domain("www.githubstatus.com") {
  /* stylelint-disable */
  i = !important
  /* stylelint-enable */
  if not bgclrhack {
    .comment-body.markdown-body img[data-canonical-src*="svg"],
    .comment-body.markdown-body img.emoji,
    .comment-body.markdown-body img[src*="raw.githubusercontent"],
    .comment-body.markdown-body img[src*="png"] {
      background-color: inherit i;
    }
    .comment-body.markdown-body img:not([src*="raw.githubusercontent"]):not(.emoji):not([data-canonical-src*="dependabot"]):not([data-canonical-src*="githubapp.com"]):not([data-canonical-src*="cla-assistant.io"]):not([data-canonical-src*="cla.dotnetfoundation.org"]):not([data-canonical-src*="cla.opensource.microsoft.com"]) {
      background: backgroundclr i;
    }
  }
  else {
    .comment-body.markdown-body img[data-canonical-src*="svg"],
    .comment-body.markdown-body img.emoji,
    .comment-body.markdown-body img[src*="raw.githubusercontent"],
    .comment-body.markdown-body img[src*="png"] {
      background-color: inherit i;
    }
    .comment-body.markdown-body img:not([src*="raw.githubusercontent"]):not(.emoji):not([data-canonical-src*="dependabot"]):not([data-canonical-src*="githubapp.com"]):not([data-canonical-src*="cla-assistant.io"]):not([data-canonical-src*="cla.dotnetfoundation.org"]):not([data-canonical-src*="cla.opensource.microsoft.com"]):hover {
      background: backgroundclr i;
    }
  }
}