diff --git a/docs/contents/css/main.css b/docs/contents/css/main.css
index 8af46ac4..bf71d67b 100644
--- a/docs/contents/css/main.css
+++ b/docs/contents/css/main.css
@@ -4,6 +4,10 @@ html {
   line-height: 1.28
 }
 
+body {
+  position: relative;
+  min-width: 1060px;
+}
 p {
   margin: 0 0 10px
 }