theme.park/css/community-theme-options/blackberry-shadow.css

:root {
  --main-bg-color: linear-gradient(135deg, #252b2f, #090c0e) center center/cover no-repeat fixed;

  --modal-bg-color: var(--main-bg-color);
  --modal-header-color: var(--main-bg-color);
  --modal-footer-color: var(--main-bg-color);

  --drop-down-menu-bg: var(--main-bg-color);

  --button-color: #252b2f;
  --button-color-hover: #090c0e;
  --button-text: #eee;
  --button-text-hover: hsla(0, 0%, 100%, 0.95);

  --accent-color: 81, 101, 114;
  --accent-color-hover: rgb(var(--accent-color),.8);
  --link-color: rgb(96, 128, 150);
  --link-color-hover: rgb(81, 101, 114, .8);
  --label-text-color: #eee;

  --text:#ddd;
  --text-hover: #fff;
  --text-muted: #999;

  /*Specials*/
  --arr-queue-color: #6b5; /* Servarr apps + Bazarr*/
  --plex-poster-unwatched: rgb(81, 101, 114);
  --petio-spinner: invert(68%) sepia(13%) saturate(766%) hue-rotate(170deg) brightness(90%) contrast(79%); /* Made with https://codepen.io/jsm91/embed/ZEEawyZ */
  --gitea-color-primary-dark-4:  81, 101, 114;
  --overseerr-gradient: linear-gradient(135deg, rgb(37, 43, 47, .9), rgb(9, 12, 14, .9)) center center/cover no-repeat fixed;
}