diff --git a/01-lesson1/lesson-title.ipynb b/01-lesson1/lesson-title.ipynb
index c45c34e..0bccc83 100644
--- a/01-lesson1/lesson-title.ipynb
+++ b/01-lesson1/lesson-title.ipynb
@@ -4,14 +4,21 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "# [lesson name]"
-   ]
-  },
-  {
-   "cell_type": "markdown",
-   "metadata": {},
-   "source": [
-    "<div class=\"warning\" style='padding:0.5em;background-color:#f1f1f1;border:1px solid black;width:95%'>\n",
+    "\n",
+    "<div style=\"background: rgb(50, 50, 50);\n",
+    "            text-align: center;\n",
+    "            color: rgb(220, 120, 0);\n",
+    "            font-family: Ubuntu;\n",
+    "            padding: .3em;\">\n",
+    "\n",
+    "# [Lesson name]\n",
+    "\n",
+    "</div>\n",
+    "\n",
+    "<div style=\" \n",
+    "  width: 100%;\n",
+    "  background: rgb(200, 210, 200);\n",
+    "  padding: .3em;\">\n",
     "\n",
     "Lesson time: XX m   \n",
     "Contributors: \n",
@@ -21,7 +28,8 @@
     "- point 1\n",
     "- point 2 ...\n",
     "\n",
-    "</div>\n"
+    "</div>\n",
+    "\n"
    ]
   },
   {
@@ -132,7 +140,7 @@
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3.8.8 ('base')",
+   "display_name": "Python 3 (ipykernel)",
    "language": "python",
    "name": "python3"
   },
@@ -146,7 +154,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.8.8"
+   "version": "3.9.0"
   },
   "vscode": {
    "interpreter": {