diff --git a/src/css/widget/previewtable/previewtable.css b/src/css/widget/previewtable/previewtable.css
index 043b8d6cf..679dff637 100644
--- a/src/css/widget/previewtable/previewtable.css
+++ b/src/css/widget/previewtable/previewtable.css
@@ -1,14 +1,3 @@
-.bi-preview-table-cell {
-  min-height: 25px;
-  min-width: 80px;
-}
-
-.bi-preview-table-header-cell {
-  font-weight: bold;
-  min-height: 25px;
-  min-width: 80px;
-}
-
 .bi-preview-table {
   -webkit-user-select: text;
   -khtml-user-select: text;
@@ -23,5 +12,5 @@
 }
 .bi-theme-dark .bi-preview-table > div > table > thead > tr.odd,
 .bi-theme-dark .bi-preview-table > div > div > div > table > thead > tr.odd {
-  background-color: #191B2B;
+  background-color: #191b2b;
 }