Edge Widger customerInfo sub-header style

@@ -17,8 +17,8 @@
 -->
 <div class="tb-edges-overview tb-absolute-fill" tb-toast toastTarget="{{ toastTargetId }}">
   <div fxFlex fxLayout="column" class="tb-absolute-fill">
-    <div *ngIf="customerTitle" fxLayout="row" class="customer-info">
-      <span>{{ customerTitle }}</span>
+    <div *ngIf="customerTitle" fxLayout="row">
+      <span class="mat-subheader">{{ customerTitle }}</span>
     </div>
     <div fxFlex class="tb-entities-nav-tree-panel">
       <tb-nav-tree

@@ -40,8 +40,11 @@
       }
     }
 
-    .customer-info {
+    .mat-subheader {
       padding: 15px;
+      color: rgba(0,0,0,0.54);
+      font-size: 14px;
+      font-weight: 400;
     }
 
     .tb-entities-nav-tree-panel {