diff --git a/src/less/main.less b/src/less/main.less
index 60b20a5..5d43cad 100644
--- a/src/less/main.less
+++ b/src/less/main.less
@@ -4,6 +4,7 @@
 
 body {
   color: @text-color;
+  height: 100%;
 }
 
 hr {