diff --git a/src/thsf/static/css/style.css b/src/thsf/static/css/style.css
index 652a72d..f804365 100644
--- a/src/thsf/static/css/style.css
+++ b/src/thsf/static/css/style.css
@@ -55,6 +55,8 @@ span.place {
 
 #content_wrapper {
   position: fixed;
+  top: 0;
+  bottom:0;
   display: flex;
   flex-direction: column;
   justify-content: flex-start;