diff --git a/stylesheet.css b/stylesheet.css
index 6383a5b..98b80fe 100644
--- a/stylesheet.css
+++ b/stylesheet.css
@@ -14,7 +14,6 @@
 }
 
 .tzi-time-label-system {
-    background-color: #215d9c;
     border-radius: 5px;
     padding-right: 3px;
     padding-left: 3px;
@@ -28,7 +27,6 @@
 }
 
 .tzi-avatar-name-box {
-    background-color: #393f3f;
     font-size: 8pt;
 }