diff --git a/src/css/ingame_hud/buildings_toolbar.scss b/src/css/ingame_hud/buildings_toolbar.scss
index d75181dc..d3378e88 100644
--- a/src/css/ingame_hud/buildings_toolbar.scss
+++ b/src/css/ingame_hud/buildings_toolbar.scss
@@ -41,13 +41,13 @@
                     @include S(height, 22px);
                     background-size: 45%;
                 }
-              
+
                 &:not(.unlocked) {
                     &::before {
                         background-size: #{D(13px)};
                     }
                 }
-              
+
                 &.unlocked {
                     .puzzle-lock {
                         & {