diff --git a/_docs/_quarto.yml b/_docs/_quarto.yml
index cd82db6..0b9b9f9 100644
--- a/_docs/_quarto.yml
+++ b/_docs/_quarto.yml
@@ -21,7 +21,7 @@ format:
       dark: darkly
       light: flatly
     highlight-style: github
-    mainfont: "'Roboto'"
+    mainfont: "'Open Sans'"
     css: styles.css
     toc: true
     grid:
diff --git a/_docs/styles.css b/_docs/styles.css
index 3d2e12c..c88754f 100644
--- a/_docs/styles.css
+++ b/_docs/styles.css
@@ -1,2 +1,2 @@
 /* css styles */
-@import url('https://fonts.googleapis.com/css2?family=Roboto:ital,wght@0,100;0,300;0,400;0,500;0,700;0,900;1,100;1,300;1,400;1,500;1,700;1,900&display=swap');
\ No newline at end of file
+@import url('https://fonts.googleapis.com/css2?family=Open+Sans:ital,wght@0,300..800;1,300..800&display=swap');
\ No newline at end of file