diff --git a/core/modules/workspace/css/workspace.toolbar.css b/core/modules/workspace/css/workspace.toolbar.css
index 7fb58a9..265ad6c 100644
--- a/core/modules/workspace/css/workspace.toolbar.css
+++ b/core/modules/workspace/css/workspace.toolbar.css
@@ -31,9 +31,6 @@ div.workspace-dialog.ui-dialog.ui-dialog-off-canvas {
 }
 
 div.workspace-dialog.ui-widget.ui-widget-content {
-  border: none;
-  left: 0 !important;
-  max-width: 100% !important;
   height: 100% !important;
 }
 
@@ -148,7 +145,7 @@ div.workspace-dialog #drupal-off-canvas .active-workspace label:before {
  }
 
 .ui-dialog.workspace-dialog.ui-dialog-off-canvas .ui-dialog-titlebar-close,
-.ui-dialog.workspace-dialog.ui-dialog-off-canvas .ui-dialog-titlebar-close:hover, 
+.ui-dialog.workspace-dialog.ui-dialog-off-canvas .ui-dialog-titlebar-close:hover,
 .ui-dialog.workspace-dialog.ui-dialog-off-canvas .ui-dialog-titlebar-close:focus {
   background-image: none;
   border: solid;
@@ -180,10 +177,7 @@ div.workspace-dialog #drupal-off-canvas .active-workspace label:before {
   }
 
   div.workspace-dialog.ui-widget.ui-widget-content {
-    box-shadow: none;
-    box-sizing: content-box;
     height: 234px!important;
-    border-bottom: 40px solid #444444;
   }
 
   div.workspace-dialog #drupal-off-canvas .item-list {
@@ -212,32 +206,10 @@ div.workspace-dialog #drupal-off-canvas .active-workspace label:before {
     top: 0px;
   }
 
-  .ui-dialog.ui-dialog-off-canvas .ui-dialog-titlebar-close, 
-  .ui-dialog.ui-dialog-off-canvas .ui-dialog-titlebar-close:hover, 
+  .ui-dialog.ui-dialog-off-canvas .ui-dialog-titlebar-close,
+  .ui-dialog.ui-dialog-off-canvas .ui-dialog-titlebar-close:hover,
   .ui-dialog.ui-dialog-off-canvas .ui-dialog-titlebar-close:focus {
     top: 1.5em;
   }
 
-  body.js-off-canvas-dialog-open {
-    background-color: #444444;
-    padding-left: 40px;
-    padding-right: 40px;
-  }
-
-  body.path-admin.js-off-canvas-dialog-open {
-    background-color: #444444;
-  }
-
-  body.js-off-canvas-dialog-open #toolbar-bar {
-    margin-left: 40px;
-    margin-right: 40px;
-  }
-
-  .dialog-off-canvas-main-canvas {
-    background-color: #ffffff;
-  }
-  
-  .js-off-canvas-dialog-open .toolbar-oriented .toolbar-tray-vertical.is-active {
-    left: 39px;
-  }
-}
\ No newline at end of file
+}