diff --git a/ejercicio.ipynb b/ejercicio.ipynb
new file mode 100644
index 0000000..a610084
--- /dev/null
+++ b/ejercicio.ipynb
@@ -0,0 +1,19 @@
+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": []
+  }
+ ],
+ "metadata": {
+  "language_info": {
+   "name": "python"
+  },
+  "orig_nbformat": 4
+ },
+ "nbformat": 4,
+ "nbformat_minor": 2
+}
diff --git a/styles.css b/styles.css
index 655484d..6177668 100644
--- a/styles.css
+++ b/styles.css
@@ -1,7 +1,7 @@
 :root{
   --canvasSideLength: 34vw;
   --plotWidth: 55vw;
-  --backgroundColor: rgb(8, 8, 8);
+  --backgroundColor: rgb(40, 40, 40);
     --fontColor: rgb(251, 251, 251);
   --fancyColor: rgb(238, 157, 0);
 }