diff --git a/panelStyle.js b/panelStyle.js
index 5640595..620e09d 100644
--- a/panelStyle.js
+++ b/panelStyle.js
@@ -120,6 +120,9 @@ const dtpPanelStyle = new Lang.Class({
                 this._overrideStyle(actor, trayContentSizeStyleLine, operationIdx);
             });
             this._rightBoxOperations.push(operation);
+
+            this._overrideStyle(this.panel._rightBox, trayContentSizeStyleLine, 0);
+            this._overrideStyle(this.panel._centerBox, trayContentSizeStyleLine, 0);
         }
        
         // center box has been moved next to the right box and will be treated the same
@@ -164,22 +167,27 @@ const dtpPanelStyle = new Lang.Class({
                 this._overrideStyle(actor, leftboxContentSizeStyleLine, operationIdx);
             });
             this._leftBoxOperations.push(operation);
+
+            this._overrideStyle(this.panel._leftBox, leftboxContentSizeStyleLine, 0);
         }
 
 
         /*recurse actors */
+        this._restoreOriginalStyle(this.panel._rightBox);
         if(this._rightBoxOperations.length) {
             let children = this.panel._rightBox.get_children();
             for(let i in children)
                 this._recursiveApply(children[i], this._rightBoxOperations);
         }
 
+        this._restoreOriginalStyle(this.panel._centerBox);
         if(this._centerBoxOperations.length) {
             let children = this.panel._centerBox.get_children();
             for(let i in children)
                 this._recursiveApply(children[i], this._centerBoxOperations);
         }
 
+        this._restoreOriginalStyle(this.panel._leftBox);
         if(this._leftBoxOperations.length) {
             let children = this.panel._leftBox.get_children();
             for(let i in children)