invoke css

IPython/html/static/style/style.min.css

@@ -8519,6 +8519,9 b' ul.breadcrumb span {'
 .list_toolbar .tree-buttons {
   padding-top: 1px;
 }
+.dynamic-buttons {
+  display: inline-block;
+}
 .list_toolbar [class*="span"] {
   min-height: 24px;
 }
@@ -8557,6 +8560,10 b' ul.breadcrumb span {'
   padding-right: 7px;
   line-height: 22px;
 }
+.list_header > div input,
+.list_item > div input {
+  margin-right: 7px;
+}
 .item_name {
   line-height: 22px;
   height: 24px;
@@ -8567,12 +8574,10 b' ul.breadcrumb span {'
   margin-right: 7px;
 }
 .item_buttons {
+  padding-top: 4px;
   line-height: 1em;
   margin-left: -5px;
 }
-.item_buttons .btn {
-  min-width: 13ex;
-}
 .item_buttons .btn-group,
 .item_buttons .input-group {
   float: left;
@@ -8582,6 +8587,12 b' ul.breadcrumb span {'
 .item_buttons > .input-group {
   margin-left: 5px;
 }
+.item_buttons .btn {
+  min-width: 13ex;
+}
+.item_buttons .running-indicator {
+  color: #5cb85c;
+}
 .toolbar_info {
   height: 24px;
   line-height: 24px;
@@ -8708,6 +8719,18 b' ul#new-menu {'
 #running .panel-group .panel .panel-body .list_container .list_item:last-child {
   border-bottom: 0px;
 }
+.delete-button {
+  display: none;
+}
+.duplicate-button {
+  display: none;
+}
+.rename-button {
+  display: none;
+}
+.shutdown-button {
+  display: none;
+}
 /*!
 *
 * IPython text editor webapp