Add Css for Plugin

src/res/css/plugin_styles.css

@@ -33,12 +33,20 @@
 [darktheme="true"] [plugincontainer] .btn,
 [darktheme="true"] [plugincontainer] input[type="text"],
 [darktheme="true"] [plugincontainer] input[type="number"],
+[darktheme="true"] [plugincontainer] .list-group-item-dark,
 [darktheme="true"] [plugincontainer] .panel
 {
   background-color:rgba(81,81,81,0.8);
   color:rgba(255,255,255,0.8);
 }
 
+[darktheme="true"] [plugincontainer] .selected-region-chip
+{
+  border-radius: 10px;
+  background-color:rgba(81,81,81,0.8);
+  color:rgba(255,255,255,0.8);
+}
+
 [darktheme="true"] [plugincontainer] .input-group-addon
 {
   background-color:rgba(60,60,60,0.2);
@@ -66,4 +74,4 @@
   color: #f2dede;
   background-color: rgba(169, 68, 66, 0.5);
   border-color: rgba(169, 68, 66,0.2)
-}
\ No newline at end of file
+}