diff --git a/assets/theme.css b/assets/theme.css
index 1be8db0..353d682 100644
--- a/assets/theme.css
+++ b/assets/theme.css
@@ -565,6 +565,25 @@ To specify it in CSS, set the box-shadow of the contents node."
   margin-right: 4px;
 }
 
+/* Check boxes */
+.metabrush checkbutton {
+  background-image: none;
+  background-color: unset;
+}
+
+.metabrush checkbutton check {
+  color: @highlight;
+  border: 1px solid @bg;
+  border-radius: 3px;
+  padding: 1px;
+  background-image: none;
+  background-color: @active;
+  box-shadow: unset;
+  padding: 3px;
+  transform: scale(0.66);
+}
+
+
 .metabrush .layer-item, .metabrush .brush-item {
   color: @plain;
   background-color: @active;