fix(css): only 100% for standalone trame

examples/test-css.ipynb

@@ -0,0 +1,59 @@
+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "45f18f4b-08c2-4160-ba0b-58180c32d7a0",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "import matplotlib.pyplot as plt\n",
+    "plt.plot([1,2,3,4])"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "64e00c8c-e4fb-4e27-a32d-40756ee6b568",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "from trame.app.demo import Cone\n",
+    "\n",
+    "app = Cone()\n",
+    "await app.ui.ready\n",
+    "\n",
+    "app.ui"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "057fbbfa-6e11-40a9-8c14-b9a1aaa37df0",
+   "metadata": {},
+   "outputs": [],
+   "source": []
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3 (ipykernel)",
+   "language": "python",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.10.14"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 5
+}

style/base.css

@@ -4,7 +4,7 @@
     https://jupyterlab.readthedocs.io/en/stable/developer/css.html
 */
 
-.jp-OutputArea-child {
+.jp-LinkedOutputView .jp-OutputArea-child:has(iframe[id*=trame__template]) {
   height: 100%;
 }