diff --git a/css/deltagreen.css b/css/deltagreen.css
index d9a0c09..5c15c45 100644
--- a/css/deltagreen.css
+++ b/css/deltagreen.css
@@ -342,7 +342,7 @@ explicitly define a number of rows, rather than columns. */
 .deltagreen .sheet-body,
 .deltagreen .sheet-body .tab,
 .deltagreen .sheet-body .tab .editor {
-  height: 100%;
+  height: 100% !important;
   flex: auto;
 }