diff --git a/theme/style.less b/theme/style.less
index 3fa6d9a2..fafb388a 100644
--- a/theme/style.less
+++ b/theme/style.less
@@ -73,12 +73,12 @@
 }
 
 /* Blockly Toolbox Buttons */
-#blocklyToolboxButtons .blocklyAddPackageButton {
+.blocklyToolboxButtons .blocklyAddPackageButton {
     &:extend(.ui.inverted.pink.button all);
     &:extend(.circular all);
 }
 
-#blocklyToolboxButtons .blocklyUndoButton {
+.blocklyToolboxButtons .blocklyUndoButton {
     &:extend(.ui.inverted.blue.button all);
     &:extend(.circular all);
 }