diff --git a/assets/presentacion/img/grafica1.png b/assets/presentacion/img/grafica1.png
new file mode 100644
index 0000000..ff4e6ae
Binary files /dev/null and b/assets/presentacion/img/grafica1.png differ
diff --git a/assets/presentacion/presentacion.odp b/assets/presentacion/presentacion.odp
index 2cc7855..ba10429 100644
Binary files a/assets/presentacion/presentacion.odp and b/assets/presentacion/presentacion.odp differ
diff --git a/assets/presentacion/presentacion.pdf b/assets/presentacion/presentacion.pdf
index ad249a7..4e509de 100644
Binary files a/assets/presentacion/presentacion.pdf and b/assets/presentacion/presentacion.pdf differ
diff --git a/assets/web/styles.css b/assets/web/styles.css
index 4d5da53..43ec59a 100644
--- a/assets/web/styles.css
+++ b/assets/web/styles.css
@@ -752,3 +752,5 @@ header > h3 {margin: 0 0 50px 0;}
 footer {margin-top: 50px; font-size: 0.75em;}
 h1.titulo {margin-top: 0}
 code {background: inherit; padding: 0; border: none; color: #424242}
+h1 {font-size: 2em; margin-bottom: 3em}
+p + h1 {margin-top: 5em}