about-addons.css

@-moz-document  url-prefix("about:addons") {

:root {
  --in-content-text-color:#b24747 !important; /* Changes some of the text color */
  --in-content-page-background: #1a1a1a !important; /* Changes the background color */
  --in-content-page-color: #b24747 !important; /* Changes the main text color */
  --in-content-box-background-active: #1a1a1a !important; /* Background color in General application thing on selection */
  --in-content-box-background-hover: #1a1a1a !important; /* Background color in General application thing */
  --in-content-box-background: #1a1a1a !important; /*This HAS to be kept. */
  --in-content-box-border-color: #b24747 !important; /*This HAS to be kept. It changes a lot of the borders */
  --in-content-box-info-background: #1a1a1a !important; /* Changes the "You are currently syncing these items" box background color */
}

/* Changes the header color*/
html|h1 {
  color: #b24747 !important;
}

}