Add styling cell to git notebook

git.ipynb

@@ -29,6 +29,43 @@
       "Sources: [Git homepage](http://git-scm.com/), [GitHub Teaching](https://teach.github.com/), [Try Git](http://try.github.io/)"
      ]
     },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "%%html\n",
+      "<style type=\"text/css\">\n",
+      "/* Remove the vertical scrollbar added by nbconvert. */\n",
+      ".reveal {\n",
+      "  overflow-y: hidden;\n",
+      "}\n",
+      "</style>"
+     ],
+     "language": "python",
+     "metadata": {
+      "slideshow": {
+       "slide_type": "skip"
+      }
+     },
+     "outputs": [
+      {
+       "html": [
+        "<style type=\"text/css\">\n",
+        "/* Remove the vertical scrollbar added by nbconvert. */\n",
+        ".reveal {\n",
+        "  overflow-y: hidden;\n",
+        "}\n",
+        "</style>"
+       ],
+       "metadata": {},
+       "output_type": "display_data",
+       "text": [
+        "<IPython.core.display.HTML at 0x1f571d0>"
+       ]
+      }
+     ],
+     "prompt_number": 1
+    },
     {
      "cell_type": "markdown",
      "metadata": {