make .empty background color a variable

1 files changed, 1 insertions, 0 deletions

diff --git a/src/variables.less b/src/variables.less
index 479cfc5..89e4fc0 100644
--- a/src/variables.less
+++ b/src/variables.less
@@ -17,6 +17,7 @@
 @core-meta-color: #888;
 @core-link-color: #5764c6;
 @core-border-color: #efefef;
+@core-empty-bg: #f8f8f8;
 @control-color: #c5c5c5;
 @control-color-success: #32b643;
 @control-color-info: #0193eb;