readded bg for context menu. added bg for +- and tabs

src/app/panels/tab-proxy.js

@@ -110,8 +110,8 @@ export class TabProxy {
       <div class="d-flex">
         <div class="m-1">
           <span class="p-1">
-            <i class="m-1 fa fa-plus" onclick=${increase} aria-hidden="true" title="increase editor font size"></i>
+            <i class="m-1 fa fa-plus" style="color: var(--dark)" onclick=${increase} aria-hidden="true" title="increase editor font size"></i>
-            <i class="m-1 fa fa-minus" onclick=${decrease} aria-hidden="true" title="decrease editor font size"></i>
+            <i class="m-1 fa fa-minus" style="color: var(--dark)" onclick=${decrease} aria-hidden="true" title="decrease editor font size"></i>
           </span>
         </div>
         ${this._view.tabs}

src/app/ui/contextMenu.js

@@ -11,6 +11,7 @@ var css = csjs`
         width:150px; 
         border-radius: 2px;
         z-index: 1000;
+        background-color: var(--light)
     }
     
     .liitem
@@ -28,7 +29,7 @@ var css = csjs`
         padding-left: 5px;
         padding-right: 5px;
         padding-bottom: 3px;
-        color: var(--primary);
+        color: var(--dark);
     }
 
     #menuitems :hover