diff --git a/Tupale_Principal/principal.css b/Tupale_Principal/principal.css
new file mode 100644
index 0000000..0999ba7
--- /dev/null
+++ b/Tupale_Principal/principal.css
@@ -0,0 +1,37 @@
+div#slogan_cabecera {
+  padding-top: 70px;
+}
+
+#titulo_cabecera a {
+  display: none !important;
+}
+
+.box-secciones, .thumbnail {
+  background-color: white !important;
+}
+
+.btn-success {
+  background-color: #ff0000;
+  border-radius: 0px !important;
+}
+
+.btn-success:hover {
+  color: #ffffff;
+  background-color: #3e3f3a;
+  border-color: rgba(0, 0, 0, 0);
+}
+
+.btn {
+  font-weight: 500;
+  text-transform: uppercase;
+}
+
+a {
+  color: #c9302c;
+  text-decoration: none;
+}
+
+.btn-default {
+  color: #ffffff;
+  background-color: #3e3f3a;
+}