diff --git a/src/DocCheck.js b/src/DocCheck.js
index 03def3c..5efc756 100644
--- a/src/DocCheck.js
+++ b/src/DocCheck.js
@@ -64,6 +64,7 @@ const Fixed = styled.div`
   top: 4px;
   left: 0;
   right: 0;
+  z-index: 100;
 `
 
 const Container = styled.div`