diff --git a/hmdooris/static/main.css b/hmdooris/static/main.css
index df5ff0e..3b28ff1 100644
--- a/hmdooris/static/main.css
+++ b/hmdooris/static/main.css
@@ -61,15 +61,19 @@ body {
     color: black;
 }
 
-.lock__line button.lock__button__lock, .lock__line .lock__state-icon .lock__state-icon--locked {
+.lock__line button.lock__button__lock,
+.lock__line .lock__state-icon.lock__state-icon--locked {
     background-color: #f88;
 }
 
-.lock__line button.lock__button__unlock, .lock__line .lock__state-icon .lock__state-icon--unlocked {
+.lock__line button.lock__button__unlock,
+.lock__line .lock__state-icon.lock__state-icon--unlocked {
     background-color: #8f8;
 }
 
-.lock__line button.lock__button__lock:disabled, .lock__line button.lock__button__unlock:disabled, .lock__state-icon--unknown {
+.lock__line button.lock__button__lock:disabled,
+.lock__line button.lock__button__unlock:disabled,
+.lock__line .lock__state-icon.lock__state-icon--unknown {
     background-color: #ccc;
     color: #444;
 }