diff --git a/formula10/static/style/diagram.css b/formula10/static/style/diagram.css
new file mode 100644
index 0000000..71fa8e3
--- /dev/null
+++ b/formula10/static/style/diagram.css
@@ -0,0 +1,11 @@
+.chart-container {
+ width: 100%;
+ height: 50vh;
+}
+
+@media only screen and (orientation: landscape) {
+ .chart-container {
+ width: 100%;
+ height: 100vh;
+ }
+}
\ No newline at end of file
diff --git a/formula10/templates/base.jinja b/formula10/templates/base.jinja
index fecfd03..f56f1c6 100644
--- a/formula10/templates/base.jinja
+++ b/formula10/templates/base.jinja
@@ -181,6 +181,7 @@
+