diff --git a/assets/descriptor_role/logo_HU.png b/assets/descriptor_role/logo_HU.png
new file mode 100644
index 0000000000000000000000000000000000000000..37ebf3b3287ca450576f3886be6bdd4fd3ad6aa9
Binary files /dev/null and b/assets/descriptor_role/logo_HU.png differ
diff --git a/descriptor_role.ipynb b/descriptor_role.ipynb
index 678c96695afe2776a95b649cd271cd782f5ea01b..7a080cdc447f7190853b6bc671aba221778da9a6 100644
--- a/descriptor_role.ipynb
+++ b/descriptor_role.ipynb
@@ -42,13 +42,14 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "<img  style=\"float: left;\" src=\"assets/descriptor_role/logo_NOMAD.png\" width=300>\n",
-    "<img  style=\"float: right;\" src=\"assets/descriptor_role/logo_MPG.png\" width=170> "
+    "<img style=\"float: left;\" src=\"assets/descriptor_role/logo_MPG.png\" width=150>\n",
+    "<img style=\"float: left; margin-top: -10px\" src=\"assets/descriptor_role/logo_NOMAD.png\" width=250>\n",
+    "<img style=\"float: left; margin-top: -5px\" src=\"assets/descriptor_role/logo_HU.png\" width=130>"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": 1,
+   "execution_count": null,
    "metadata": {
     "ExecuteTime": {
      "end_time": "2021-11-11T16:17:09.621543Z",
@@ -56,37 +57,7 @@
     },
     "init_cell": true
    },
-   "outputs": [
-    {
-     "data": {
-      "text/html": [
-       "<script>\n",
-       "    code_show=true; \n",
-       "    function code_toggle() {\n",
-       "        if (code_show)\n",
-       "        {\n",
-       "            $('div.input').hide();\n",
-       "        } \n",
-       "        else \n",
-       "        {\n",
-       "            $('div.input').show();\n",
-       "        }\n",
-       "        code_show = !code_show\n",
-       "    } \n",
-       "    $( document ).ready(code_toggle);\n",
-       "    window.runCells(\"startup\");\n",
-       "</script>\n",
-       "The raw code for this notebook is by default hidden for easier reading.\n",
-       "To toggle on/off the raw code, click <a href=\"javascript:code_toggle()\">here</a>.\n"
-      ],
-      "text/plain": [
-       "<IPython.core.display.HTML object>"
-      ]
-     },
-     "metadata": {},
-     "output_type": "display_data"
-    }
-   ],
+   "outputs": [],
    "source": [
     "%%HTML\n",
     "<script>\n",
@@ -174,7 +145,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 2,
+   "execution_count": null,
    "metadata": {
     "ExecuteTime": {
      "end_time": "2021-11-11T16:17:11.991749Z",
@@ -185,22 +156,7 @@
      "startup"
     ]
    },
-   "outputs": [
-    {
-     "data": {
-      "application/vnd.jupyter.widget-view+json": {
-       "model_id": "670e005388f84a7595535ad7ff265ca2",
-       "version_major": 2,
-       "version_minor": 0
-      },
-      "text/plain": [
-       "_ColormakerRegistry()"
-      ]
-     },
-     "metadata": {},
-     "output_type": "display_data"
-    }
-   ],
+   "outputs": [],
    "source": [
     "import os\n",
     "import math\n",
@@ -240,7 +196,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 3,
+   "execution_count": null,
    "metadata": {
     "ExecuteTime": {
      "end_time": "2021-11-11T16:17:12.101026Z",
@@ -303,7 +259,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 4,
+   "execution_count": null,
    "metadata": {
     "ExecuteTime": {
      "end_time": "2021-11-11T16:17:12.106008Z",
@@ -333,7 +289,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 5,
+   "execution_count": null,
    "metadata": {
     "ExecuteTime": {
      "end_time": "2021-11-11T16:17:12.117203Z",
@@ -422,7 +378,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 6,
+   "execution_count": null,
    "metadata": {
     "ExecuteTime": {
      "end_time": "2021-11-11T16:17:12.136056Z",
@@ -577,7 +533,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 7,
+   "execution_count": null,
    "metadata": {
     "ExecuteTime": {
      "end_time": "2021-11-11T16:17:12.457576Z",
@@ -589,22 +545,7 @@
      "startup"
     ]
    },
-   "outputs": [
-    {
-     "data": {
-      "application/vnd.jupyter.widget-view+json": {
-       "model_id": "e2e895c5f65f455ba9280021ef0b89f4",
-       "version_major": 2,
-       "version_minor": 0
-      },
-      "text/plain": [
-       "VBox(children=(HBox(children=(VBox(children=(Label(value=''), Checkbox(value=True, indent=False, layout=Layout…"
-      ]
-     },
-     "metadata": {},
-     "output_type": "display_data"
-    }
-   ],
+   "outputs": [],
    "source": [
     "cb_layout = widgets.Layout(width = '15px')\n",
     "thin_layout = widgets.Layout(width = '100px')\n",
@@ -694,7 +635,7 @@
  "metadata": {
   "celltoolbar": "Initialization Cell",
   "kernelspec": {
-   "display_name": "Python 3",
+   "display_name": "Python 3 (ipykernel)",
    "language": "python",
    "name": "python3"
   },
@@ -708,7 +649,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.7.3"
+   "version": "3.9.7"
   }
  },
  "nbformat": 4,