diff --git a/Sandbox/FilterlistsWidthProofOfConcept.txt b/Sandbox/FilterlistsWidthProofOfConcept.txt
index 7eff330f0..69783dde9 100644
--- a/Sandbox/FilterlistsWidthProofOfConcept.txt
+++ b/Sandbox/FilterlistsWidthProofOfConcept.txt
@@ -1,4 +1,4 @@
 ! Title: Filterlists Width Proof of Concept
-filterlists.com##.rt-thead.-header:style(min-width:400px)
-filterlists.com##.rt-thead.-filter:style(min-width:400px)
-filterlists.com##.rt-tbody:style(min-width:400px)
+filterlists.com##.rt-thead.-header:style(min-width:400px !important)
+filterlists.com##.rt-thead.-filter:style(min-width:400px !important)
+filterlists.com##.rt-tbody:style(min-width:400px !important)