portainer: screenshots and some fixes

CSS/themes/portainer/portainer-base.css

@@ -93,6 +93,7 @@
   }
   ul.sidebar .sidebar-list a.active {
       background: rgba(255, 255, 255, 0.1);
+      border-left: 3px solid var(--accent-color);
   }
   #page-wrapper:not(.open) ul.sidebar .sidebar-title.separator, .sidebar-footer, ul.sidebar .sidebar-list a:hover, ul.sidebar .sidebar-main a {
       background: rgba(255, 255, 255, 0.15);

README.md

@@ -55,6 +55,8 @@
 <li><a href="https://github.com/gilbN/theme.park/wiki/Themes#php-library-presenter-themes">PLPP</a></li>
 <li><a href="https://github.com/gilbN/theme.park/wiki/Themes#synclounge-themes">Synclounge</a></li>
 <li><a href="https://github.com/gilbN/theme.park/wiki/Themes#the-lounge-themes">The Lounge</a></li>
+<li><a href="https://github.com/gilbN/theme.park/wiki/Themes#portainer-themes">Portainer</a></li>
+
 </ul>
 
 ## [Adding your own theme colors](https://github.com/gilbN/theme.park/wiki/Creating-your-own-themes)