diff --git a/edX Lightning Talk.ipynb b/edX Lightning Talk.ipynb
index 6b98cbc..2b0bce7 100644
--- a/edX Lightning Talk.ipynb	
+++ b/edX Lightning Talk.ipynb	
@@ -194,9 +194,10 @@
     }
    },
    "source": [
-    "(<font color=\"blue\">The</font> <font color=\"red\">quick</font>) (quick brown) ... (<font color=\"blue\">the</font> <font color=\"red\">lazy</font>) (lazy dog)\n",
+    "(<span style=\"color:blue\">The</span> <span style=\"color:red\">quick</span>) (quick brown) ... (<span
+    style=\"color:blue\">the</span> <span style=\"color:red\">lazy</span>) (lazy dog)\n",
     "\n",
-    "Either “<font color=\"red\">quick</font>” or “<font color=\"red\">lazy</font>” could be the next word."
+    "Either “<span style=\"color:red\">quick</span>” or “<span style=\"color:red\">lazy</span>” could be the next word."
    ]
   },
   {
@@ -212,7 +213,8 @@
     "\n",
     "We can partition by threes too:\n",
     "\n",
-    "(<font color=\"blue\">The</font> <font color=\"red\">quick brown</font>) (quick brown fox) ... (<font color=\"blue\">the</font> <font color=\"red\">lazy dog</font>)\n"
+    "(<span style=\"color:blue\">The</span> <span style=\"color:red\">quick brown</span>) (quick brown fox) ... (<span
+    style=\"color:blue\">the</span> <span style=\"color:red\">lazy dog</span>)\n"
    ]
   },
   {
@@ -225,7 +227,7 @@
    "source": [
     "Or, the condition can be two words (`condition = 'the lazy'`):\n",
     "\n",
-    "(The quick brown) (quick brown fox) ... (<font color=\"blue\">the lazy</font> <font color=\"red\">dog</font>)"
+    "(The quick brown) (quick brown fox) ... (<span style=\"color:blue\">the lazy</span> <span span=\"color:red\">dog</span>)"
    ]
   },
   {