diff --git a/static/themes/report.css b/static/themes/report.css
index 83fc39f..6a1e40e 100644
--- a/static/themes/report.css
+++ b/static/themes/report.css
@@ -3,7 +3,7 @@
 body.artifact {
   background: #faf9f6;
   color: #1e2b2f;
-  font-family: Georgia, "Times New Roman", serif;
+  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
   font-size: 1.08rem;
 }
 
diff --git a/static/themes/tasks.css b/static/themes/tasks.css
index 80964b0..4ef1647 100644
--- a/static/themes/tasks.css
+++ b/static/themes/tasks.css
@@ -3,6 +3,7 @@
 body.artifact {
   background: #faf9f6;
   color: #17202a;
+  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
   max-width: 760px;
 }