diff --git a/docs/source/_static/my.css b/docs/source/_static/my.css
new file mode 100644
index 0000000..00a18c9
--- /dev/null
+++ b/docs/source/_static/my.css
@@ -0,0 +1,3 @@
+.wy-nav-content {
+    max-width: 1200px !important;
+}
\ No newline at end of file